Statement - I The coolant used in a car or a chemical or nuclear plant has a high specific heat.
Statement - 2 The heat energy absorbed by a substance is proportional to its specific heat.
A
1) Statement - I is true, Statement - II is true; statement - II is a correct explanation for statement - I
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B
2) Statement - I is true, statement - II is true; statement - II is NOT a correct explanation for statement - I
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C
3) statement - I is true, statement - II is false
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D
4) statement - I is false, statement - II is true
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Solution
The correct option is A 1) Statement - I is true, Statement - II is true; statement - II is a correct explanation for statement - I Coolant is used to remove heat generated as quickly as possible with as little change in temperature as possible.
Coolant needs to have high specific heat so that for a given change in temperature, the amount of heat transferred is maximum.