Class IX

At a particular temperature solution which cannot dissolve more solute is called
  1. saturated solution
  2. unsaturated solution
  3. aqueous solution
  4. supersaturated solution
Solution of mercury with other metals is called
  1. amalgam
  2. saturated solution
  3. supersaturated solution
  4. unsaturated solution
Solubility of Na2SO4
  1. increases with increase in temperature
  2. decreases with increase in temperature
  3. no effect on solubility with change in temperature
  4. none of above
Mass of NaOH present per dm3 of 0.25M NaOH solution is
  1. 10 g
  2. 8 g
  3. 5 g
  4. 2 g
Concentration of a dilute solution
  1. is high
  2. is in comparable
  3. can be both A and B
  4. is low
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