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ICSE Class 9 Chemistry Question 19 of 31

Water — Question 18

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18
Question

Question 2(ii)

Assertion (A): A saturated solution becomes unsaturated on heating.

Reason (R): More amount of solute can dissolve in a solvent upon heating.

  1. Both A and R are true and R is the correct explanation of A.
  2. Both A and R are true but R is not the correct explanation of A.
  3. A is true but R is false.
  4. A is false but R is true.
Answer

Both A and R are true and R is the correct explanation of A.

Explanation — When a saturated solution is heated to a higher temperature, then it becomes unsaturated. More solute can be dissolved in this solution now. Hence, both the assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).