Class IX

Concentration of a dilute solution
  1. is high
  2. is in comparable
  3. can be both A and B
  4. is low
In solutions particles are
  1. invisible
  2. visible by naked eye
  3. visible by ordinary microscope
  4. visible by electron microscope
Mass of NaOH present per dm3 of 0.25M NaOH solution is
  1. 10 g
  2. 8 g
  3. 5 g
  4. 2 g
Number of moles of solute dissolved per dm3 of solution is
  1. molality
  2. percentage
  3. concentration
  4. molarity
At a particular temperature solution which cannot dissolve more solute is called
  1. saturated solution
  2. unsaturated solution
  3. aqueous solution
  4. supersaturated solution
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