1.

Define calorie and standard calorie.

Answer»

Solution :CALORIE : It is DEFINED as the AMOUNT of HEAT energy required to rise the temperature of 1 gram of water through `1^@`C .
Magnitude of calorie slightly changes with the value of initial temperature taken.
Mean `5^@`C calorie or standard calorie : It is defined as the amount of heat energy required to rise the temperature of 1 gram of water from `14.5^@ C, `to `15.5^@`C.


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