Class XII

Solution of hydrogen in palladium is an example of
  1. Gas in solid
  2. Gas in gas
  3. Solid in solid
  4. Liquid in gas
Minimum boiling azeotrope is form by the solution which show
  1. Negative deviation from Raoult’s law
  2. Positive deviation from Raoult’s law
  3. Large negative deviation from Raoult’s law
  4. Large positive deviation from Raoult’s law
Which among the following is soluble in water?
  1. Formic acid
  2. Phenol
  3. Benzene
  4. Chloroform
Solubility of gas decreases with
  1. Increase in temperature
  2. Both (b) and (c)
  3. Decreases in temperature
  4. Increases in pressure
Normality of 0.3 M phosphoric acid is
  1. 0.1
  2. 0.5
  3. 0.9
  4. 0.6
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