Q.

A calorie is:

A. standard unit of heat energy necessary to raise the temperature of 1L of water 1° from 15-16°C
B. standard unit of heat energy necessary to raise the temperature of 1gm of mercury 1° from 17-18°C
C. the standard unit of heat energy necessary to raise the temperature of 1gm of water 1° from 17-18°C
D. the standard unit of heat energy necessary to raise the temperature of 1gm of water 1° from 15-16°C
Answer» D. the standard unit of heat energy necessary to raise the temperature of 1gm of water 1° from 15-16°C
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