Question

When the ice from a frozen lake starts to melt, the temperature of the surroundings will

• A. fall to $0{}^{\circ }\text{C}$ instantly
• B. decrease
• C. increase
• D. remain the same

Answer 1

The correct option is B decrease

Ice has a high latent heat of fusion, i.e. a large amount of heat is required to melt the ice of a frozen lake. So, when the ice starts to melt, it draws the heat from its surroundings to change its state from solid to liquid. As a result, the temperature of the surroundings drops.