HPSC PGT Chemistry Mock Test - 1 - HPSC TGT/PGT MCQ

The correct answer is the 14th century.

About Firoz Shah Tughlaq:

• The Fatehabad was founded by Firoz Shah Tughlak in the 14th century. He named the city "Fatehabad" after his son's name Fateh Khan.
• Firoz Shah Tughlaq was born in 1309 at Dipalpur( now in Pakistan). He was a Muslim ruler of the Tughlaq dynasty, who reigned over the Sultanate of Delhi from 1351 to 1388.
• He was the Third Ruler of the Tughlaq dynasty after the death of Mohammad-bin Tughlaq. Mohammad-bin Tughlaq Son of Ghiyasuddin Tughlaq founder of the Tughlaq dynasty ascended the throne in the year 1325.
• Firoz Shah Tughlaq wrote his autobiography named as, Futuhat-e-Firozshahi. He established an office for Poor and Deprived sections called Diwan-i-Khairat.
• He opened a Department for the Slave people known as the Diwan-i-Bundagan. Firoz Shah Tughlaq declared the Iqtadari Framework Hereditary.
• The Four new towns were established by him named Fatebabad, Jaunpur, Firozabad, and Hissar. He was the one who started the Imposition of Jaziya on the Brahmans. Firoz Shah Tughlaq established many hospitals portrayed differently as Shifa Khana, Darul-Shifa, and Bimaristan, in Delhi.
• He died in the year 1388 and the Tughlaq dynasty starts declining after his death and could not continue to rule.

Notes:

• The founder of the Tughlaq Dynasty was Ghiyasuddin Tughlaq in 1320.

The logic follows here is :

Sum of place values of alphabets of the given word = Given number.

MONK → M + O + N + K = 13 + 15 + 14 + 11 = 53.

Similarly,

TUTOR → T + U + T + O + R = 20 + 21 + 20 + 15 + 18 = 94.

Hence, the correct answer is "94".

The meaning of synonym is Similar.

Similarly;

The meaning of Opposite is Adverse.

Hence, "Adverse" is the correct answer.

Additional Information

The triarchic theory of intelligence is also called the three forms of intelligence. Based on this theory, research on human intelligence take a more cognitive approach. 
Sternberg explained only three types of intelligence: Componential or analytical sub theory, Experiential or creative sub theory, and Contextual or practical sub theory. 
Hence, the correct answer is, 'Social.'

Diagnostic evaluation has a placement function and so takes place before instruction. It is used to determine underlying causes of learning difficulties. Diagnostic evaluation may include administration of standardised achievement tests, standardised diagnostic tests, teacher-made tests, observation and checklists. Scoring and interpretation can be normative (based on norms) or criterion-referenced. Results are usually shown as an individual profile of sub-skills.

Atomic no 24 is of Cr. Due to half filled orbital stability it doesnot follow Afbau rule so its configuration is 

For claiming credit for discovering 104^th element, the Americans named it Rutherfordium and the Soviets named it Kurchatovium. While it’s named Unnilquadium as per IUPAC nomenclature. Neptunium is the 93^rd element.

• The periodic table of today owes its development to two chemists namely the Russian chemist Dmitri Mendeleev and the German chemist J. Lother Meyer.
• In 1869, they independently proposed that when the elements are arranged in the increasing order of their atomic weights, similarities in both physical and chemical properties appear at regular intervals.

On changing temperature, solvent (H₂O) is vaporised or condensed. Thus, volume of solution and solvent changes. Thus, any concentration factor dependent on volume is affected by change in temperature.
(a) Molarity = Mole/Litre (Volume dependent)
(b) Molality = Moles of solute/kg of solvent (weight dependent)
(c) Mole fraction = n_i/n_total(unitless)
(d) Weight fraction = w_i/w_total (unitless)

E1 Reactions involve carbocation intermediates which has characteristics of rearrangement into more stable carbocation, hence involves more than one transition states (usually).

For positional isomerism in alkene 4C-atom required →

For geometrical isomerism in alkene also 4c–atom required →

Molarity is temperature dependent. In the formula of molarity, you have L of solution. Volume is temperature-dependent. It varies with changing temperature. Because of this, molarity changes if the temp changes. 

• Castner Kellner cell is also called a mercury cathode cell.
• In this cell, Hg flows along the bottom of the cell and acts as a cathode in the left-hand compartment fitted with graphite anodes in brine (NaCl) solution, whereas the right-hand compartment is fitted with Fe cathodes dipped in very dilute NaOH solution and Hg acts as the anode in this compartment.
• Thus, Hg acts as an intermediate electrode by induction, cathode on LHS and anode in RHS.

High hydration enthalpy of BeSO₄ overpowers its lattice enthalpy thus is water soluble.

∆H = (B.E)_reactant - (B.E)_product
117.36 = 716.682 + 2(278.805) - ∆H_2C=S
∆H _2C=S = 1156.932
∆H_C=S = 1156.932/2 = 578.74 kJ mol^-1

The correct answer is Option D.
 

(C—H) bond lengths are different from (B—H) and (N—H) bond lengths. Both are planar.

When chlorine and Ethane are taken with chlorine in excess only then we have more than one product like chloroethane, dichloroethane, trichloroethane etc. To avoid this we should take Ethane in excess because when we will take it then in excess then we will have only single time chlorination and we will get monochloroethane.

Acidic strength of carboxylic acid -

–  More acidic than phenols or alcohols.

–  Acidity increase with the presence of a group with  -I effect in the alkyl group.Whereas it decreases with the presence of  +I group.

–  Acidity increases with increase in the number of halogen atoms on  - position.

–  It decreases with increasing distance of halogen from   

–  It increases with increase in the electronegativity of halogen.

- CF₃COOH > CCl₃COOH > HCOOH > CH₃ COOH

The symbol represents enthalpy of combustion which is always exothermic. For exothermic rxn delta H is always -ve. 

Si,P,C,N

Electronegativity increases along a period and decreases down the group.Nitrogen is expected to have maximum electronegativity.

Thus, all these are isoelectronic. MO electronic configuration is

No electron unpaired - diamagnetic
Bonding electrons = 10
Anti-bonding electrons = 4
Thus, bond- order = 

Calorific value is given for 1 gram and enthalpy of formation is defined for one mole of substance formed so for one mole of water formed we need two gram of hydrogen so the enthalpy of formation of H2O will be 2×Calorific value. Or 2×(-143) = -286 kJ/ mol

 (a) van’t Hoff factor (i) = [1 + (n - 1)α] where, n = number of ions from one mole of solute

α = degree of ionisation/association 

Mg₃(P0₄)₂ → 3Mg
→2 P
→ 8 mole oxygen
8 mole of oxygen - 1 mole Mg₃ (P0)₂
0.25 - ? 0.25/8 = 3 x 10^-2

a(Cu So₄ and CuCl₂ changes to Cu and solution becomes colourless

(b) KCl changes to Cl₂ (yellow)
KI changes to I₂ (voilet)

Thus, distinguished.

(c) AgNo₃ No change

CuSo₄ (blue) changes to colourless

(d) CuBr₂ (blue) both changes to colourles.

NiBr₂ (Blue)

18g H₂O = 1mol water = 6.02 x 10²³ molecules of water = 6.02 x 10²³ atoms of oxygen.

In solid state, N₂O₅ exists as nitronium nitrate 
In   nitrogen is sp and in  , nitrogen is sp².