Chemistry MCQs for SST Test ,ETEA,NTS,FPSC,SS,Lecturer Test
If you are searching to find the latest Chemistry MCQs for SST Test Online Preparation. Here you will find important Chemistry Multiple Choice Questions and Answers.
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
- a) 9.03×1023
- b) 1.062×1024
- c) 9.03×1024
- d) 6.022×1023
a) 9.03×1023
- 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
- 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
- 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
- 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
- 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
- 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
- a) NH3
- b) BF3
- c) KOH
- d) PH3
b) DF3
- a) CH3OOH
- b) KOH
- c) NH3
- d) PH3
a) CH3OOH
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
- a) 0
- b) 1
- c) 2
- d) 3
a) o
Conclusion:
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