How many gram of ice at -10^\circ{\C} is needed to cool 100 {g} of water from 25^\circ{\C} to 10^\circ{\C} ?(Specific heat of ice =0.5 {\cal} \/ {g}^\circ{\C} and latent heat of fusion of ice =80 {\cal} \/ {g} )

NEET 2022 Model Paper 6

Question : 47 of 200

Marks: +1, -0

How many gram of ice at −10°C is needed to cool 100g of water from 25°C to 10°C ?(Specific heat of ice =0.5‌cal∕g°C and latent heat of fusion of ice =80‌cal∕g )

6.3g
15.8g
8.4g
12.2g

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