Question

When water solidifies to ice, then heat is

• A. A) absorbed
• B. B) evolved
• C. C) heat may be evolved or absorbed
• D. D) no change in heat

Answer 1

The correct option is B

B) evolved

Explanation for correct answer:

The correct option is B:

1. When water solidifies to ice, heat is evolved. Freezing is the transformation of a liquid into a solid as a result of a drop in temperature.

Explanation for incorrect answers:

Option A:

1. The heat absorbed is calculated by using the specific heat of water.

Option C:

1. Heat may be evolved but not absorbed.

Option D:

1. There will be change in heat called evolved.

Hence option B is correct.