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CBSE XI | Chemistry
Sample Paper – 4
CBSE
CLASS – XI
CHEMISTRY
SAMPLE PAPER 4
Time: 3 Hours Marks: 70
General Instructions
? All questions are compulsory.
? Section A: Q.no. 1 to 5 are very short answer questions and carry 1 mark each.
? Section B: Q.no. 6 to 12 are short answer questions and carry 2 marks each.
? Section C: Q.no. 13 to 24 are also short answer questions and carry 3 marks each.
? Section D: Q.no. 25 to 27 are long answer questions and carry 5 marks each.
? There is no overall choice. However an internal choice has been provided in two
questions of one mark, two questions of two marks, four questions of three marks
and all the three questions of five marks weightage. You have to attempt only one of
the choices in such questions.
? Use of log tables if necessary, use of calculators is not allowed.
Section A
1. Why is an organic compound fused with sodium for testing halogens, nitrogen, sulphur
and phosphorous? [1]
OR
What kind of isomers are the compounds: CH3CH2OCH2CH3 and CH3OCH2CH2CH3?
2. What shapes are associated with sp
3
d and sp
3
d
2
hybrid orbitals? [1]
OR
Arrange the following bonds in the order of increasing ionic character:
C-H, F-H, Br-H, Na-I, K-F, Li-Cl
3. Although benzene is highly unsaturated it does not undergo addition reactions. [1]
4. What is siltation? [1]
5. Why alkali and alkaline earth metals cannot be obtained by chemical reduction method?
[1]
Page 2
CBSE XI | Chemistry
Sample Paper – 4
CBSE
CLASS – XI
CHEMISTRY
SAMPLE PAPER 4
Time: 3 Hours Marks: 70
General Instructions
? All questions are compulsory.
? Section A: Q.no. 1 to 5 are very short answer questions and carry 1 mark each.
? Section B: Q.no. 6 to 12 are short answer questions and carry 2 marks each.
? Section C: Q.no. 13 to 24 are also short answer questions and carry 3 marks each.
? Section D: Q.no. 25 to 27 are long answer questions and carry 5 marks each.
? There is no overall choice. However an internal choice has been provided in two
questions of one mark, two questions of two marks, four questions of three marks
and all the three questions of five marks weightage. You have to attempt only one of
the choices in such questions.
? Use of log tables if necessary, use of calculators is not allowed.
Section A
1. Why is an organic compound fused with sodium for testing halogens, nitrogen, sulphur
and phosphorous? [1]
OR
What kind of isomers are the compounds: CH3CH2OCH2CH3 and CH3OCH2CH2CH3?
2. What shapes are associated with sp
3
d and sp
3
d
2
hybrid orbitals? [1]
OR
Arrange the following bonds in the order of increasing ionic character:
C-H, F-H, Br-H, Na-I, K-F, Li-Cl
3. Although benzene is highly unsaturated it does not undergo addition reactions. [1]
4. What is siltation? [1]
5. Why alkali and alkaline earth metals cannot be obtained by chemical reduction method?
[1]
CBSE XI | Chemistry
Sample Paper – 4
Section B
6. Which of the following has largest size? Mg, Mg
2+
, Al
3+
,Al [2]
7. Consider the following species: [2]
N
3-
, O
2-,
F
–
, Na
+
, Mg
2+,
Al
3+
(a) What is common in them?
(b) Arrange them in order of increasing ionic radii?
8. The wavelength of first spectral line in Balmer series is 6561 Å. Calculate the wavelength
of second spectral line in Balmer series. [2]
9. On a ship sailing in Pacific Ocean where temperature is 23.4°C, a balloon is filled with 2 L
air. What will be the volume of the balloon when the ship reaches Indian Ocean, where
temperature is 26.1°C?
10. Balance the following equation in an alkaline medium by half reaction method. [2]
- - 2-
3 3 4
Cr(OH) + IO I + CrO ?
OR
11. Give reasons: [2]
(a) Anhydrous AlCl3 is covalent but hydrated AlCl3 is electrovalent. Explain
(b) Boric acid behaves as Lewis acid? Explain
12. Which of the two is more concentrated and why? 1 M or 1 m aqueous solution of a
solute. [2]
OR
How many moles and how many grams of NaCl are present in 250 cm
3
of 0.500 M naCl
solution?
Section C
13. If the photon of the wavelength 150 pm strikes an atom and one of its inner bound
electrons is ejected out with a velocity of 1.5 ×10
7
m/s, calculate the energy with which
it is bound to the nucleus. [3]
OR
(a) What are degenerate orbitals? Give examples.
Page 3
CBSE XI | Chemistry
Sample Paper – 4
CBSE
CLASS – XI
CHEMISTRY
SAMPLE PAPER 4
Time: 3 Hours Marks: 70
General Instructions
? All questions are compulsory.
? Section A: Q.no. 1 to 5 are very short answer questions and carry 1 mark each.
? Section B: Q.no. 6 to 12 are short answer questions and carry 2 marks each.
? Section C: Q.no. 13 to 24 are also short answer questions and carry 3 marks each.
? Section D: Q.no. 25 to 27 are long answer questions and carry 5 marks each.
? There is no overall choice. However an internal choice has been provided in two
questions of one mark, two questions of two marks, four questions of three marks
and all the three questions of five marks weightage. You have to attempt only one of
the choices in such questions.
? Use of log tables if necessary, use of calculators is not allowed.
Section A
1. Why is an organic compound fused with sodium for testing halogens, nitrogen, sulphur
and phosphorous? [1]
OR
What kind of isomers are the compounds: CH3CH2OCH2CH3 and CH3OCH2CH2CH3?
2. What shapes are associated with sp
3
d and sp
3
d
2
hybrid orbitals? [1]
OR
Arrange the following bonds in the order of increasing ionic character:
C-H, F-H, Br-H, Na-I, K-F, Li-Cl
3. Although benzene is highly unsaturated it does not undergo addition reactions. [1]
4. What is siltation? [1]
5. Why alkali and alkaline earth metals cannot be obtained by chemical reduction method?
[1]
CBSE XI | Chemistry
Sample Paper – 4
Section B
6. Which of the following has largest size? Mg, Mg
2+
, Al
3+
,Al [2]
7. Consider the following species: [2]
N
3-
, O
2-,
F
–
, Na
+
, Mg
2+,
Al
3+
(a) What is common in them?
(b) Arrange them in order of increasing ionic radii?
8. The wavelength of first spectral line in Balmer series is 6561 Å. Calculate the wavelength
of second spectral line in Balmer series. [2]
9. On a ship sailing in Pacific Ocean where temperature is 23.4°C, a balloon is filled with 2 L
air. What will be the volume of the balloon when the ship reaches Indian Ocean, where
temperature is 26.1°C?
10. Balance the following equation in an alkaline medium by half reaction method. [2]
- - 2-
3 3 4
Cr(OH) + IO I + CrO ?
OR
11. Give reasons: [2]
(a) Anhydrous AlCl3 is covalent but hydrated AlCl3 is electrovalent. Explain
(b) Boric acid behaves as Lewis acid? Explain
12. Which of the two is more concentrated and why? 1 M or 1 m aqueous solution of a
solute. [2]
OR
How many moles and how many grams of NaCl are present in 250 cm
3
of 0.500 M naCl
solution?
Section C
13. If the photon of the wavelength 150 pm strikes an atom and one of its inner bound
electrons is ejected out with a velocity of 1.5 ×10
7
m/s, calculate the energy with which
it is bound to the nucleus. [3]
OR
(a) What are degenerate orbitals? Give examples.
CBSE XI | Chemistry
Sample Paper – 4
(b) Show that the circumference of the Bohr’s orbit for H atom is an integral multiple of
wavelength associated with the electron revolving aroun the orbit.
14. Which out of NH3 and NF3 has higher dipole momemt and why? [3]
OR
(a) For the complex [Fe(H 2O) 6]
+3
, write the hybridisation, magnetic character and spin of the
complex. (At, number : Fe = 26)
(b) Draw one of the geometrical isomers of the complex [Pt (en) 2Cl 2]
+2
which is optically
inactive.
15. 0.2325g of an organic compound was analysed for nitrogen by Duma’s method. 31.7mL
of moist nitrogen was collected at 250C and 755.8mm Hg pressure. Calculate the
percentage of N in the sample. (Aq. Tension of water at 25oC is 23.8mm). [3]
16. Calculate the enthalpy of combustion of glucose from the following data [3]
?
2 2 r
?
2 2 2 r
2 2 6 1
C (graphite) +O CO (g) ; ? H = -395kJ
1
H (g) + O (g) H O(l) ; ? H = -269.4kJ
2
6C (graphite) + 6H (g) + 3O (g) C H
?
?
?
?
2 6 r
O (s) ; ? H = -1169.9kJ
17. Calculate the molar solubility of Ni (OH)2 in 0.10 M NaOH. The solubility product of Ni
(OH) 2 is 2.0 × 10
-15
. [3]
OR
The pH of 0.1 M solution of cynic acid (HCNO) is 2.34. Calculate the ionization
constant of the acid and its degree of ionization in the solution.
18.
(a) Consider the voltaic cell constructed with the following substances: [3]
? ? ? ?
? ? ? ? ? ? ? ?
3
aq s
42
2 aq aq aq l
o
o
Cr 3e Cr
MnO 8H Se Mn 4H O
E 0.74V
E 1.51V
??
? ? ? ?
??
? ? ? ?
??
??
(i) Which substances are oxidised and reduced in this cell?
(ii) Which are the negative and positive electrodes?
Page 4
CBSE XI | Chemistry
Sample Paper – 4
CBSE
CLASS – XI
CHEMISTRY
SAMPLE PAPER 4
Time: 3 Hours Marks: 70
General Instructions
? All questions are compulsory.
? Section A: Q.no. 1 to 5 are very short answer questions and carry 1 mark each.
? Section B: Q.no. 6 to 12 are short answer questions and carry 2 marks each.
? Section C: Q.no. 13 to 24 are also short answer questions and carry 3 marks each.
? Section D: Q.no. 25 to 27 are long answer questions and carry 5 marks each.
? There is no overall choice. However an internal choice has been provided in two
questions of one mark, two questions of two marks, four questions of three marks
and all the three questions of five marks weightage. You have to attempt only one of
the choices in such questions.
? Use of log tables if necessary, use of calculators is not allowed.
Section A
1. Why is an organic compound fused with sodium for testing halogens, nitrogen, sulphur
and phosphorous? [1]
OR
What kind of isomers are the compounds: CH3CH2OCH2CH3 and CH3OCH2CH2CH3?
2. What shapes are associated with sp
3
d and sp
3
d
2
hybrid orbitals? [1]
OR
Arrange the following bonds in the order of increasing ionic character:
C-H, F-H, Br-H, Na-I, K-F, Li-Cl
3. Although benzene is highly unsaturated it does not undergo addition reactions. [1]
4. What is siltation? [1]
5. Why alkali and alkaline earth metals cannot be obtained by chemical reduction method?
[1]
CBSE XI | Chemistry
Sample Paper – 4
Section B
6. Which of the following has largest size? Mg, Mg
2+
, Al
3+
,Al [2]
7. Consider the following species: [2]
N
3-
, O
2-,
F
–
, Na
+
, Mg
2+,
Al
3+
(a) What is common in them?
(b) Arrange them in order of increasing ionic radii?
8. The wavelength of first spectral line in Balmer series is 6561 Å. Calculate the wavelength
of second spectral line in Balmer series. [2]
9. On a ship sailing in Pacific Ocean where temperature is 23.4°C, a balloon is filled with 2 L
air. What will be the volume of the balloon when the ship reaches Indian Ocean, where
temperature is 26.1°C?
10. Balance the following equation in an alkaline medium by half reaction method. [2]
- - 2-
3 3 4
Cr(OH) + IO I + CrO ?
OR
11. Give reasons: [2]
(a) Anhydrous AlCl3 is covalent but hydrated AlCl3 is electrovalent. Explain
(b) Boric acid behaves as Lewis acid? Explain
12. Which of the two is more concentrated and why? 1 M or 1 m aqueous solution of a
solute. [2]
OR
How many moles and how many grams of NaCl are present in 250 cm
3
of 0.500 M naCl
solution?
Section C
13. If the photon of the wavelength 150 pm strikes an atom and one of its inner bound
electrons is ejected out with a velocity of 1.5 ×10
7
m/s, calculate the energy with which
it is bound to the nucleus. [3]
OR
(a) What are degenerate orbitals? Give examples.
CBSE XI | Chemistry
Sample Paper – 4
(b) Show that the circumference of the Bohr’s orbit for H atom is an integral multiple of
wavelength associated with the electron revolving aroun the orbit.
14. Which out of NH3 and NF3 has higher dipole momemt and why? [3]
OR
(a) For the complex [Fe(H 2O) 6]
+3
, write the hybridisation, magnetic character and spin of the
complex. (At, number : Fe = 26)
(b) Draw one of the geometrical isomers of the complex [Pt (en) 2Cl 2]
+2
which is optically
inactive.
15. 0.2325g of an organic compound was analysed for nitrogen by Duma’s method. 31.7mL
of moist nitrogen was collected at 250C and 755.8mm Hg pressure. Calculate the
percentage of N in the sample. (Aq. Tension of water at 25oC is 23.8mm). [3]
16. Calculate the enthalpy of combustion of glucose from the following data [3]
?
2 2 r
?
2 2 2 r
2 2 6 1
C (graphite) +O CO (g) ; ? H = -395kJ
1
H (g) + O (g) H O(l) ; ? H = -269.4kJ
2
6C (graphite) + 6H (g) + 3O (g) C H
?
?
?
?
2 6 r
O (s) ; ? H = -1169.9kJ
17. Calculate the molar solubility of Ni (OH)2 in 0.10 M NaOH. The solubility product of Ni
(OH) 2 is 2.0 × 10
-15
. [3]
OR
The pH of 0.1 M solution of cynic acid (HCNO) is 2.34. Calculate the ionization
constant of the acid and its degree of ionization in the solution.
18.
(a) Consider the voltaic cell constructed with the following substances: [3]
? ? ? ?
? ? ? ? ? ? ? ?
3
aq s
42
2 aq aq aq l
o
o
Cr 3e Cr
MnO 8H Se Mn 4H O
E 0.74V
E 1.51V
??
? ? ? ?
??
? ? ? ?
??
??
(i) Which substances are oxidised and reduced in this cell?
(ii) Which are the negative and positive electrodes?
CBSE XI | Chemistry
Sample Paper – 4
(b) Write the oxidation number of the following atoms:
(i) KMnO4
(ii) K2Cr2O7
OR
Write the half reactions for each of the following redox reactions:
? ?
? ?
? ? ? ? ? ?
? ?
? ?
? ?
( s )
s
2
sa ( ) ( ) ( ) (g)
3
aq a
q aq
qs
( ) 2 g
2
2 s
A
a Zn 2H
l 3Ag Al 3Ag
c Mg
Zn H
b
Cl MgCl
??
??
? ? ?
??
? ? ?
19. Arrange the following: [3]
(a) CaH2, BeH2 and TiH2 in order of increasing electrical conductance.
(b) LiH, NaH and CsH in order of increasing ionic character.
(c) H?H, D?D and F?F in order of increasing bond dissociation enthalpy.
20. [3]
(a) Why cannot sulphuric acid be used to acidify sodium extract for testing S using
lead acetate solution?
(b) Which of the carbocations is most stable and why?
3 3 3 2 2 3 2 3
+ + +
(CH ) C , CH CH CH , CH CHCH CH
(c) Why does a liquid vaporize below its boiling point in steam distillation process?
21. What type of isomerism is exhibited by following pair of compounds? [3]
(i) Ethanol and Methoxy methane
(ii) o-cresol and m-cresol
(iii) Pentan-3-one and pentan-2-one
22. Explain [3]
(a) Fish do not grow as well in warm water as in cold water. Why?
(b) Why does rain water normally have a pH about 5.6?
(c) Name two major greenhouse gases.
23. Write the IUPAC names of the following compounds: [3]
(a) CH3CH?C(CH3)2
(b)
Page 5
CBSE XI | Chemistry
Sample Paper – 4
CBSE
CLASS – XI
CHEMISTRY
SAMPLE PAPER 4
Time: 3 Hours Marks: 70
General Instructions
? All questions are compulsory.
? Section A: Q.no. 1 to 5 are very short answer questions and carry 1 mark each.
? Section B: Q.no. 6 to 12 are short answer questions and carry 2 marks each.
? Section C: Q.no. 13 to 24 are also short answer questions and carry 3 marks each.
? Section D: Q.no. 25 to 27 are long answer questions and carry 5 marks each.
? There is no overall choice. However an internal choice has been provided in two
questions of one mark, two questions of two marks, four questions of three marks
and all the three questions of five marks weightage. You have to attempt only one of
the choices in such questions.
? Use of log tables if necessary, use of calculators is not allowed.
Section A
1. Why is an organic compound fused with sodium for testing halogens, nitrogen, sulphur
and phosphorous? [1]
OR
What kind of isomers are the compounds: CH3CH2OCH2CH3 and CH3OCH2CH2CH3?
2. What shapes are associated with sp
3
d and sp
3
d
2
hybrid orbitals? [1]
OR
Arrange the following bonds in the order of increasing ionic character:
C-H, F-H, Br-H, Na-I, K-F, Li-Cl
3. Although benzene is highly unsaturated it does not undergo addition reactions. [1]
4. What is siltation? [1]
5. Why alkali and alkaline earth metals cannot be obtained by chemical reduction method?
[1]
CBSE XI | Chemistry
Sample Paper – 4
Section B
6. Which of the following has largest size? Mg, Mg
2+
, Al
3+
,Al [2]
7. Consider the following species: [2]
N
3-
, O
2-,
F
–
, Na
+
, Mg
2+,
Al
3+
(a) What is common in them?
(b) Arrange them in order of increasing ionic radii?
8. The wavelength of first spectral line in Balmer series is 6561 Å. Calculate the wavelength
of second spectral line in Balmer series. [2]
9. On a ship sailing in Pacific Ocean where temperature is 23.4°C, a balloon is filled with 2 L
air. What will be the volume of the balloon when the ship reaches Indian Ocean, where
temperature is 26.1°C?
10. Balance the following equation in an alkaline medium by half reaction method. [2]
- - 2-
3 3 4
Cr(OH) + IO I + CrO ?
OR
11. Give reasons: [2]
(a) Anhydrous AlCl3 is covalent but hydrated AlCl3 is electrovalent. Explain
(b) Boric acid behaves as Lewis acid? Explain
12. Which of the two is more concentrated and why? 1 M or 1 m aqueous solution of a
solute. [2]
OR
How many moles and how many grams of NaCl are present in 250 cm
3
of 0.500 M naCl
solution?
Section C
13. If the photon of the wavelength 150 pm strikes an atom and one of its inner bound
electrons is ejected out with a velocity of 1.5 ×10
7
m/s, calculate the energy with which
it is bound to the nucleus. [3]
OR
(a) What are degenerate orbitals? Give examples.
CBSE XI | Chemistry
Sample Paper – 4
(b) Show that the circumference of the Bohr’s orbit for H atom is an integral multiple of
wavelength associated with the electron revolving aroun the orbit.
14. Which out of NH3 and NF3 has higher dipole momemt and why? [3]
OR
(a) For the complex [Fe(H 2O) 6]
+3
, write the hybridisation, magnetic character and spin of the
complex. (At, number : Fe = 26)
(b) Draw one of the geometrical isomers of the complex [Pt (en) 2Cl 2]
+2
which is optically
inactive.
15. 0.2325g of an organic compound was analysed for nitrogen by Duma’s method. 31.7mL
of moist nitrogen was collected at 250C and 755.8mm Hg pressure. Calculate the
percentage of N in the sample. (Aq. Tension of water at 25oC is 23.8mm). [3]
16. Calculate the enthalpy of combustion of glucose from the following data [3]
?
2 2 r
?
2 2 2 r
2 2 6 1
C (graphite) +O CO (g) ; ? H = -395kJ
1
H (g) + O (g) H O(l) ; ? H = -269.4kJ
2
6C (graphite) + 6H (g) + 3O (g) C H
?
?
?
?
2 6 r
O (s) ; ? H = -1169.9kJ
17. Calculate the molar solubility of Ni (OH)2 in 0.10 M NaOH. The solubility product of Ni
(OH) 2 is 2.0 × 10
-15
. [3]
OR
The pH of 0.1 M solution of cynic acid (HCNO) is 2.34. Calculate the ionization
constant of the acid and its degree of ionization in the solution.
18.
(a) Consider the voltaic cell constructed with the following substances: [3]
? ? ? ?
? ? ? ? ? ? ? ?
3
aq s
42
2 aq aq aq l
o
o
Cr 3e Cr
MnO 8H Se Mn 4H O
E 0.74V
E 1.51V
??
? ? ? ?
??
? ? ? ?
??
??
(i) Which substances are oxidised and reduced in this cell?
(ii) Which are the negative and positive electrodes?
CBSE XI | Chemistry
Sample Paper – 4
(b) Write the oxidation number of the following atoms:
(i) KMnO4
(ii) K2Cr2O7
OR
Write the half reactions for each of the following redox reactions:
? ?
? ?
? ? ? ? ? ?
? ?
? ?
? ?
( s )
s
2
sa ( ) ( ) ( ) (g)
3
aq a
q aq
qs
( ) 2 g
2
2 s
A
a Zn 2H
l 3Ag Al 3Ag
c Mg
Zn H
b
Cl MgCl
??
??
? ? ?
??
? ? ?
19. Arrange the following: [3]
(a) CaH2, BeH2 and TiH2 in order of increasing electrical conductance.
(b) LiH, NaH and CsH in order of increasing ionic character.
(c) H?H, D?D and F?F in order of increasing bond dissociation enthalpy.
20. [3]
(a) Why cannot sulphuric acid be used to acidify sodium extract for testing S using
lead acetate solution?
(b) Which of the carbocations is most stable and why?
3 3 3 2 2 3 2 3
+ + +
(CH ) C , CH CH CH , CH CHCH CH
(c) Why does a liquid vaporize below its boiling point in steam distillation process?
21. What type of isomerism is exhibited by following pair of compounds? [3]
(i) Ethanol and Methoxy methane
(ii) o-cresol and m-cresol
(iii) Pentan-3-one and pentan-2-one
22. Explain [3]
(a) Fish do not grow as well in warm water as in cold water. Why?
(b) Why does rain water normally have a pH about 5.6?
(c) Name two major greenhouse gases.
23. Write the IUPAC names of the following compounds: [3]
(a) CH3CH?C(CH3)2
(b)
CBSE XI | Chemistry
Sample Paper – 4
(c)
24. When a metal X is treated with sodium hydroxide, a white precipitate A is obtained,
which is soluble in an excess of NaOH to give soluble complex B. Compound A is
soluble in diluted HCl to form compound C. The compound A when heated strongly
gives D, which is used to extract metal. Identify X, A, B, C and D. Write suitable
equations to support their identities. [3]
Section D
25. [5]
(a) What is spontaneous change? What is the condition for spontaneity in terms of free energy
change?
(b) At 60°C, dinitrogen tetroxide is fifty percent dissociated. Calculate the standard free energy
change at this temperature and at one atmosphere.
OR
(a)
(i) Why standard enthalpy of an elementary substance is not zero wheras standard
enthalpy of formation is taken as zero?
(ii) Under what conditions will the reaction occur, if,
Both ?H and ?S are positive
Both ?H and ?S are negative
(b) Calculate the enthalpy change for the reaction :
H2(g) + Cl(2)(g)
?
2HCl (g)
Given that bond energies of H-H, Cl-Cl and H-Cl bonds are 433, 244 and 431 kJ/mol
respectively.
26. Give reasons for the following [5]
(a) Unlike Na2CO3, K2CO3 cannot be prepared by Solvay process. Why?
(b) Why are alkali metals not found in nature?
(c) Sodium is less reactive than potassium why?
(d) Alkali metals are good reducing agents. Why?
(e) Alkali metals are paramagnetic but their salts are diamagnetic. Why?
OR
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FAQs on Sample Question Paper 4: Chemistry, Class 11 - Chemistry for Grade 11
| 1. What is the importance of studying Chemistry in Class 11? |  |
Ans. Studying Chemistry in Class 11 is important as it forms the foundation for higher-level concepts in chemistry. It helps students understand the fundamental principles of matter, its composition, properties, and reactions. Moreover, a strong understanding of chemistry is necessary for various career paths such as medicine, engineering, pharmacy, and research.
| 2. What are the main topics covered in the Class 11 Chemistry syllabus? | |
Ans. The main topics covered in the Class 11 Chemistry syllabus include the structure of atoms, chemical bonding, states of matter, thermodynamics, equilibrium, redox reactions, hydrogen, s-block elements, p-block elements, organic chemistry, and environmental chemistry.
| 3. How can I effectively prepare for the Chemistry exam in Class 11? | |
Ans. To effectively prepare for the Chemistry exam in Class 11, it is important to have a thorough understanding of the concepts. Start by reading the textbook and class notes regularly. Practice solving numerical problems and chemical equations. Make use of study materials, reference books, and online resources for additional practice. Additionally, create a study schedule, revise regularly, and solve previous years' question papers to get familiar with the exam pattern.
| 4. Are there any practical experiments included in the Class 11 Chemistry curriculum? | |
Ans. Yes, the Class 11 Chemistry curriculum includes practical experiments to enhance students' understanding of theoretical concepts. These experiments are conducted in the laboratory under the guidance of a teacher. Practical work helps students develop essential laboratory skills, such as observation, measurement, recording data, and drawing conclusions based on experimental results.
| 5. What are some common mistakes to avoid while answering Chemistry questions in the exam? | |
Ans. Some common mistakes to avoid while answering Chemistry questions in the exam are: not reading the question properly, not following the given instructions, neglecting units in numerical answers, not showing proper steps in calculations, and not labeling diagrams or chemical equations correctly. It is important to practice time management and allocate sufficient time to each question. Recheck your answers before submitting the paper to avoid any calculation errors or missing information.
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Oct 31, 2024 Last updated |
Document Description: Sample Question Paper 4: Chemistry, Class 11 for Grade 11 2024 is part of Chemistry for Grade 11 preparation.
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Additional Information about Sample Question Paper 4: Chemistry, Class 11 for Grade 11 Preparation
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