Class XII

The rate at which a solid dissolves in liquid does not depend on
  1. Concentration
  2. Particle size
  3. Temperature
  4. Pressure
Which among the following is miscible in each other?
  1. All of these
  2. Methanol and benzene
  3. Benzene and water
  4. Methanol and water
In pressure cooker boiling point of water
  1. Increases
  2. Decreases
  3. Remain constant
  4. Sometimes increases and sometimes decreases
The type of intermolecular interaction present in n-Hexane and n-Octane is
  1. Ion-dipole interaction
  2. Hydrogen bonding
  3. Dipole-dipole interaction
  4. Vander wall forces of interaction
Which among the following show negative deviation?
  1. Acetone and benzene
  2. Carbon tetrachloride and chloroform
  3. Methyl alcohol and water
  4. Chloroform and benzene
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