Chemistry MCQs for SST Test ,ETEA,NTS,FPSC,SS,Lecturer Test

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Chemistry MCQs for SST Test

All these Solved Chemistry MCQs are helpful for ETEA, NTS, FPSC Online Test Preparation. If you have applied for the post of SST Bio-Chemistry and SS Chemistry and Chemistry Lecturer. 

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Chemistry MCQs with Answers

Below are the most repeated, most important, and solved Chemistry MCQs for SST Test, SS Test, Lecturer Test, or any other Chemistry Test. 

1:Which of the following type of molecule is always linear?

  • a) Monoatomic 
  • b) Diatomic 
  • c) Triatomic
  • d) Tetra-atomic 

b) Diatomic

2: A molecule with five bond pair of electrons around the central atoms is:

  • a) Tetrahedral 
  • b) Pyramidal 
  • c) Trigonal 
  • d) Plannar 

b) Pyramidal

3:  Word “atom” was first called by:

  • a) Democritus 
  • b) Berzelius 
  • c) Bohr 
  • d) John Delton 

a) Democritus

4:Which one contains one Mole of particles?

  • a) 1.0 gram H2
  • b) 1.7 gram NH3
  • c) 35.5 gram Cl2
  • d) None of these

a) 1.0 gram H2

5: How many molecules of CH2O are in 30.0 grams of CH2O?

  • a) 6.02×1023
  • b) 1.00
  • c) 5.32×10-23
  • d) 1.81×1025

a) 6.02×1023

5: Stiochemistry is concerned with:

  • a)  Qualitative Study 
  • b) Quantitative Study 
  • c) Both of these 
  • d) None of these 

b) Quantitative Study

FPSC | NTS Chemistry MCQs for SST Test

6: The number of Covalent bonds in 8.5g of NH3 are:
  • a) 9.03×1023
  • b) 1.062×1024
  • c) 9.03×1024
  • d) 6.022×1023

a) 9.03×1023

7: Bond angle of 109.28° is found in:
  • a) NH3
  • b) H2O
  • c) CH3
  • d) NH4

d) NH4

8: How many atoms are there in 1.97 grams of Gold?

  • a) 1.6×1022 atoms
  • b) 1/100 NA atoms
  • c) NA atoms
  • d) 9.6 x 1023 atoms

c) NA atoms

9: Which contains more atoms?

  • a) 7 gram Mg
  • b) 8 gram Na
  • c) 9 gram Al
  • d) All are same 

b) 8 gram Na

10: The bond angle in H2O is:
  • a) 104.5°
  • b) 109.5°
  • c) 120°
  • d) 110°

a) 104.5°

FPSC SST Chemistry MCQs

11: The concept of Hybridization was introduced by:

  • a) Linus Pauling
  • b) Lewis 
  • c) Debrogli
  • d) None of these 

a) Linus Pauling

12: How many empty molecular orbitals are there in the O2 molecules?
  • a) One
  • b) Two
  • c) Three
  • d) Four

a) One

13: The shape of a molecular orbital depends on:

  • a) Size of the atom 
  • b) Shape of atomic orbital 
  • c) Type of overlapping 
  • d) Electronegativity of the atom 

b) Shape of atomic orbital

14: VBT was proposed by:

  • a) Nyholm and Gillepie 
  • b) Heitler and London 
  • c) Hond and Mulliken 
  • d) Thomson

b) Heitler and London

15: Which of the following bond is directional?

  • a) Covalent bond 
  • b) Ionic bond 
  • c) Metalic bond
  • d) Both a and b 

d) Both a and b

16: Absolute temperature of the gas at constant pressure is proportional to:

  • a) Translational K.E
  • b) Volume 
  • c) Collision of gas molecules 
  • d) All of these 

d) All of these

17: Density of gas is expressed in:
  • a) gcm-3
  • b) kgdm-3
  • c) gdm-3
  • d) kgm-3

c) gdm-3

18: In Boyles law value of “k” depends on:

  • a) Temperature 
  • b) Mass 
  • c) Number of moles
  • d) All 

d) All

19: When gas is compressed from 1 atom to 2 atoms at constant temperature then:

  • a) its concentration double 
  • b) its density double 
  • c) Volume become half
  • d) All of these 

d) All of these

20: A gas above critical temperature:

  • a) Behave ideally
  • b) Have low K.E
  • c) Cannot be liquefied
  • d) All of these

c) Cannot be liquified

ETEA Test Chemistry Questions and Answers

21: Which of the following gas has the lowest density at the same temperature and pressure?

  • a) CH4
  • b) CO2
  • c) N2
  • d) CO

a) CH4

22: Eight of one dm3 of CO2 at STP os:
  • a) 22g
  • b) 1.96g
  • c) 0.5g
  • d) 44g

b) 1.96g

23: The SI Unit of Pressure is:

  • a) mm of Hg
  • b) Torr
  • c) Pascal 
  • d) None of these 

c) Pascal

24: How much time, the intramolecular force of attraction is stronger than the intermolecular force of attraction in water?

  • a) 10 time
  • b) 18 time
  • c) 23 time
  • d) 30 time 

c) 23 time

24: Which one is the intrinsic property of liquid?

  • a) Surface tension 
  • b) Viscosity 
  • c) Enthalpy of vaporization
  • d) All of these 

d) All of these

25: Is the order true?

H-bonding-dipole-dipole>London forces

  • a) Yes 
  • b) No
  • c) Some time true somtime No
  • d) None

a) Yes

26: London dispersion force is also called:

  • a) Short-range force 
  • b) Transitory force 
  • c) Instantaneous dipole induced force
  • d) All of the above 

d) All of the above

27: Which of the following force of attraction exist between all types of molecules?

  • a) Dipole-Dipole
  • b) H-Bonding 
  • c) London Force 
  • d) Ione-Dipole 

c) London Force

28: Formation of vapor from the surface of the liquid is called?

  • a) Vaporization 
  • b) Evaporation 
  • c) Pyrolysis 
  • d) Condensation

b) Evaporation

29: Which of the following is used to measure the pressure of gases?

  • a) Monometer 
  • b) Barometer 
  • c) Dilameter 
  • d) Voltmeter 

a) Monometer

30: Evaporation is:

  • a) Exothermic 
  • b) Temperature-dependent 
  • c) Decrease with decreasing pressure 
  • d) None 

d) None

Important Chemistry Questions for SST

31: Vapour pressure of the liquid is directly related with:

  • a) Viscosity 
  • b) Surface tension 
  • c) Density 
  • d) None of these 

d) None of these

32: Which of the following is Pseudo solid?

  • a) Graphite 
  • b) Rubber 
  • c) NaCl
  • d) All of these

b) Rubber

33: Which of the following is not a feature of solids?

  • a ) Definite mass and volume 
  • b) Frequent fluidity 
  • c) Rigidity 
  • d) Definite Shape 

b) Frequent fluidity

34: The particle of solid give only:

  • a) Random Motion 
  • b) Vibrational Motion 
  • c) Translative Motion 
  • d) Perform all types of motions

b) Vibrational Motion

35: In the following solids which one has uniform thermodynamic properties?

  • a) Crystalline Solid 
  • b) Amorphous Solid 
  • c) Liquid 
  • d) Both a and b

a) Crystalline Solid

36:Which of the following has the highest lattice energy?
  • a) LiCl
  • b) Li2O
  • c) Na2O
  • d) K2O

b) Li2O

37: The point at the corner of the cubic unit cell is shared with:

  • a) 4 unit cells
  • b) 6 unit cells
  • c) 8 unit cells 
  • d) 12 unit cells 

c) 8 unit cells

38: A reaction is irreversible because:

  • a) Products are reactive only 
  • b) Reactants are reactive only 
  • c) Reactants are stable
  • d) None of these 

b) Reactants are reactive only

39: Dynamic equilibrium cannot be obtained between evaporation and condensation:

  • a) Open system 
  • b) Closed system 
  • c) Isolated System 
  • d) All

a) Open System

40: Chemical equilibrium state is:

  • a) Dynamic State
  • b) Static State 
  • c) Free State 
  • d) None of these 

a) Dynamic State

SST Past Papers Solved Chemistry Questions

41: The product obtained at optimum conditions is:

  • a) Minimum 
  • b) Maximum 
  • c) Average 
  • d) None of these 

b) Maximum

42: Strong acid has:

  • a) Weak conjugate base 
  • b) Strong conjugate base 
  • c) No base 
  • d) The Same base 

a) Weak conjugate base

43: In acid-base reaction is the transfer of a proton from an acid to a base this is according to:

  • a) Arrbenious concept 
  • b) Bronsted and Lowry Concept
  • c) Lewis Concept 
  • d) All of them 

b) Bronsted and Lowry Concept

45: Which of the following is not a base:
  • a) NH3
  • b) BF3
  • c) KOH
  • d) PH3

b) DF3

46: Which of the following is acid:
  • a) CH3OOH
  • b) KOH
  • c) NH3
  • d) PH3


47: The PH of milk is:

  • a) 5.0
  • b) 6.0
  • c) 6.2
  • d) 6.5

d) 6.5

48: The resistance offered by the solution to change its PH by adding a small amount of acid as a base:

  • a) Acidic Capacity 
  • b) Buffer action 
  • c) Buffer solution 
  • d) None of them 

b) Buffer action

49: With increasing concentration of reactant rate of :

  • a) Reversible reaction increase only 
  • b) Irreversible reaction increase only 
  • c) Both reversible and irreversible reactions increase 
  • d) Irreversible reaction decrease 

c) Both recersible and irreversible reactions increase

50: For the reaction H2+Cl2→2HCl, taking place on the water surface the order of reaction will be:
  • a) 0
  • b) 1
  • c) 2
  • d) 3

a) o


I hope your query about Chemistry MCQs for SST Test must be solved. If you want more solved MCQs below are the most important Multiple Choice Questions with Answers for Online Test Preparation

More MCQs for SST Online Test Preparation

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