Calorie is defined as the amount of heat required to raise temperature of 1 g of water by `1^@C` and it is defined under which of the following conditions?

Options

A. From `14.5^(@)C "to" 15.5 ^(@)C "at" 760 "mm of Hg"`
B. From `98.5^(@)C "to" 99.5 ^(@)C "at" 760 "mm of Hg"`
C. From `13.5^(@)C "to" 14.5 ^(@)C "at" 76 "mm of Hg"`
D. From `3.5^(@)C "to" 4.5 ^(@)C "at" 76 "mm of Hg"`

Answer

A

Explanation

`1` calorie is the heat required to raise the temp. fo `1` g of water from `14.5 "to" 15.5 ^(@)C "at" 760"mm of Hg"`.