AP EAMCET Medical 2018 Shift 2 Paper

Ice at 0 °C is added to 200 g of water initially at 70 °C in a flask. When 50 g of ice has been added to it and is melted completely then the temperature of flask and contents becomes 40 °C. When a further 80 g of ice is added and melted completely, the temperature of whole system becomes 10 °C. Neglecting the heat lost to the surroundings the latent heat of fusion of ice is .....