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7. | 80g of water at 30°C is poured on a large block of ice which is at 0°C. The mass of ice that melts is? | |
A. | 30g | |
B. | 80g | |
C. | 150g | |
D. | 1600g | |
Answer: Option A | |
Explanation: | |
Heat used in melting m gram of ice = Heat lost by 80g water |
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