1.

0.93 watt-hour of energy is supplied to a block of ice weighing 10 gm. It is found that [NCERT 1973; DPMT 1999]

A.   Half of the block melts
B.   The entire block melts and the water attains a temperature of 4°C
C.   The entire block just melts
D.   The block remains unchanged
Answer» D.   The block remains unchanged


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