1(viii)
Water is used in car radiators because :
- (a)it is a good conductor of heat.
- (b)it conducts heat faster as compared to the other substances and cools the engine quickly.
- (c)its specific heat capacity is very low.
- (d)its specific heat capacity is very high so it can cool the engine without a greater increase in its own temperature.
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its specific heat capacity is very high so it can cool the engine without a greater increase in its own temperature.
Reason — Water in car radiators can absorb more heat without much rise in temperature due to it's high specific heat capacity. Hence, it acts as an effective coolant.