How many cubes of ice at -10°C and 20 gm are required to reduce the temperature of 1000 gm of water ?from 75°C to 15°C Cice = 0.5 cal/gm.°C-, Cwater = 1) (cal/gm.°C-1, Lm = 80 cal/gm %3D %3D cubes 30.a cubes 20 .b cubes 35.c cubes 60.d
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