Question

Which among the following is the hottest substance?

• A. Water at ${100}^{0}C$.
• B. Steam at ${100}^{0}C$.
• C. Mercury at ${100}^{0}C$.
• D. All the above are equally hot.

Answer 1

The correct option is D

All the above are equally hot.

Explanation

1. The degree of hotness or coldness depends on the temperature.
2. As all the substances have the same temperature all the three substances are equally hot.

Hence, option (D) is the correct answer.