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Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Class 10 MCQ


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30 Questions MCQ Test CBSE Sample Papers For Class 10 - Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22)

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) for Class 10 2024 is part of CBSE Sample Papers For Class 10 preparation. The Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) questions and answers have been prepared according to the Class 10 exam syllabus.The Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) MCQs are made for Class 10 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) below.
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Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 1

Reema took 5ml of Lead Nitrate solution in a beaker and added approximately 4ml of Potassium Iodide solution to it. What would she observe?

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 2

Identify gas A in the following experiment.

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Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 3


Which of the following two combinations are correct?

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 4

Which of the following correctly represents a balanced chemical equation?

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 5

The graph given below depicts a neutralization reaction (acid + alkali → salt + water).
The pH of a solution changes as we add excess of acid to an alkali.

Which letter denotes the area of the graph where both acid and salt are present?

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 6

In the reaction of iron with copper sulphate solution:
CuSO4 + Fe → Cu + FeSO4
Which option in the given table correctly represents the substance oxidised and the reducing agent?

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 7

The chemical reaction between copper and oxygen can be categorized as:

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 8

Which of the given options correctly represents the Parent acid and base of Calcium Carbonate?

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 9

How will you protect yourself from the heat generated while diluting a concentrated acid?

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 10

Why is it important to balance a skeletal chemical equation?

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 11

Carefully study the diagram of the human respiratory system with labels A, B, C and D. Select the option which gives correct identification and main function and /or characteristic.

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 12

Identify the option that indicates the correct enzyme that is secreted in location A, B and C.

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 13

Opening and closing of stomatal pore depends on:

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 14

The figure given below shows a schematic plan of blood circulation in humans with labels (i) to (iv). Identify the correct label with its functions?

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 15

Identify the phase of circulation which is represented in the diagram of heart given below. Arrows indicate contraction of the chambers shown.

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 16

Observe the diagram of Human digestive system.

Match the labeling referred in column I and correlate with the function in column II.

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 17

Which of the following mirror is used by a dentist to examine a small cavity in a patient’s teeth?

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 18

Which diagram shows image formation of an object on a screen by a converging lens?

Detailed Solution for Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 18

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 19

Which of the following can make a parallel beam of light when light from a point source is incident on it?

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 20

Consider these indices of refraction: glass: 1.52; air: 1.0003; water: 1.333. Based on the refractive indices of three materials, arrange the speed of light through them in decreasing order.

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 21

If a beam of red light and a beam of violet light are incident at the same angle on the inclined surface of a prism from air medium and produce angles of refraction r and v respectively, which of the following is correct?

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 22

Examine the above figure and state which of the following option is correct? [one small box in the figure is equal to 1 cm]

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 23

The angle of incidence from air to glass at the point O on the hemispherical glass slab is.

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 24

A prism ABC (with BC as base) is placed in different orientations. A narrow beam of white light is incident on the prism as shown in below Figure. In which of the following diagrams, after dispersion, the third colour from the top of the spectrum corresponds to the colour of the sky?

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 25

Shyam heated a small amount of light green colored compound X in a test tube.  He found that the compound losed some water and then gas Z with suffocating smell comes out. The vapors of gas are collected and dissolved in water. The solution turns blue litmus red. The residue Y left in the test tube turns reddish brown. 

Identify X,Y and Z

Detailed Solution for Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 25

The green colour compound X is FeSO4.7H2O. 

Ferrous sulphate decomposes with the evolution of a gas having a typical odour of burning sulphur. It is a thermal decomposition reaction. 

SO2 and  SO3  are acidic in nature, turn blue litmus red as they react with water to form acids

Hence, X is FeSO4.7H2O , Y is Fe2O3 and Z is SO2, SO4

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 26

Choose the correct option . 

Detailed Solution for Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 26

In the given equation, label (i) represent oxidizing agent, (ii) is oxidation, (iii) is reduction and (iv) represents reducing agent.

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 27

Study the given experimental set-up carefully. Based on the diagram, Choose the correct observation(s) ?  

Detailed Solution for Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 27

On heating, lead nitrate decomposes to give yellow lead monoxide, nitrogen dioxide (emission of brown fumes) and oxygen gas.  The reaction that takes place is :

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 28

The given experimental set up is used to test a few solutions which contain hydrogen but are not categorized as acids.

Which of these observation is incorrect?

Detailed Solution for Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 28

Glucose and ethanol do not conduct electricity while NaOH and HCl conduct electricity as they produce ions in the solution.

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 29

An electrolytic cell consists of
(i) positively charged cathode
(ii) negatively charged anode
(iii) positively charged anode
(iv) negatively charged cathode

Detailed Solution for Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 29

Positively charged ions are called cations as they are deposited at negatively charged pole. Negatively charged ions are called anions as these are deposited at positively charged pole. That’s why the negatively charged pole is called cathode and positively charged pole is called anode.

Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 30

An aqueous solution turns red litmus solution blue. Excess addition of which of the following solution would reverse the change?

Detailed Solution for Test: Class 10 Science: CBSE Sample Question Paper- Term I (2021-22) - Question 30

The solution turns red litmus to blue it means that it is basic in nature, to reverse the change acid should be added to it. Thus, out of the given options hydrochloric acid is the correct answer.

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