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The amount of heat energy required to in...

The amount of heat energy required to increase the temperature of 20 g of water by `1^(@)C` is ______.

A

10 cal

B

20 cal

C

15 cal

D

2 cal

Text Solution

Verified by Experts

The correct Answer is:
B
Specific heat of water is `1"cal"//g//^(@)C`.
That means 1 g of water requires 1 cal energy to increase the temperature by `7^(@)C`.
2 g of water requires? = 20 `xx` 1 = 20 cal
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