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