1.

The amount of heat energy required to increase the temperature of X g of water by `10^(@)C` is found to be 15 cal. Calculate X.A. 0.5 gB. 15 gC. 1.5 gD. 7.5 g

Answer» Correct Answer - C
The specific heat of water is 1 `cal//g^(@)C`.
`therefore` Heat required for increasing `10^(@)C` temperature of x g water is 10 X cal.
`therefore` 10X = 15
`therefore` X = 1.5 g


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