Water has maximum density at __________________?
A. 0°C
B. 2°C
C. 4°C
D. 100°C
Chemistry MCQs
Formation of vapours from the surface of a liquid is called________________?
A. vapourization
B. evaporation
C. condensation
D. cracking
The ttractive forces between the partial positive end of one molecule and partial negative end of other molecule are called________________?
A. Dipole-dipole forces
B. Ion dipole-dipole forces
C. London dispersion forces
D. Debye forces
Vapour pressure is not affected by_______________?
A. Surface area
B. temperature
C. intermolecular forces
D. atmospheric pressure
Table salt crystallizes with a______________________?
A. Face centered cubic lattice
B. body centered cubic lattice
C. simple cubic lattice
D. othorhombic lattice
During which process empty spaces between particles become minimum ?
A. ionization
B. condensation
C. fusion
D. evaporation
Which one of the following has highest volatility_________________?
A. Diethyl ether
B. Ethyl alcohol
C. Water
D. Ethylene glycol
If we provide very high amount of heat to a liquid its boiling point will__________________?
A. increase
B. remains constant
C. decrease
D. there will be no boiling
A solid may be made up of_________________?
A. Atoms
B. Ions
C. Molecules
D. A, B, and C
Amorphous substances posses_________________?
A. No definite geometry
B. No definite heat of fusion
C. No sharp melting points
D. All of the above
