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Solved Chemistry Exercises MCQs Quiz Tests
Q.1: The ttractive forces between the partial positive end of one molecule and partial negative end of other molecule are called——–?
- Dipole-dipole forces
- Ion dipole-dipole forces
- London dispersion forces
- Debye forces
A
Q.2: Vapour pressure is not affected by——–?
- Surface area
- temperature
- intermolecular forces
- atmospheric pressure
A
Q.3: Table salt crystallizes with a———–?
- Face centered cubic lattice
- body centered cubic lattice
- simple cubic lattice
- othorhombic lattice
B
Q.4: During which process empty spaces between particles become minimum ?
- ionization
- condensation
- fusion
- evaporation
B
Q.5: Which one of the following has highest volatility———?
- Diethyl ether
- Ethyl alcohol
- Water
- Ethylene glycol
A
Q.6: If we provide very high amount of heat to a liquid its boiling point will———?
- increase
- remains constant
- decrease
- there will be no boiling
B
Q.7: A solid may be made up of———?
- Atoms
- Ions
- Molecules
- A, B, and C
D
Q.8: Amorphous substances posses———?
- No definite geometry
- No definite heat of fusion
- No sharp melting points
- All of the above
C
Q.9: Boiling points of hydrocarbons increase with the increase in number of carbon atoms. It is mainly due to———?
- More strength of H-bonding
- More strength of London forces
- Less polarizability
- All of the above
B
Q.10: The phenomenon in which a compound exists in two or more crystalline forms is called ——–?
- Isomorphism
- Polymorphism
- Anisotropy
- Allotropy
B