When heat is supplied to a body,

The increase in temperature when heat is supplied to a body can be explained by

Specific heat capacity is defined as

Why does a pure substance melt at a constant temperature?

The specific latent heat of fusion of ice is 3.4 × 105 J kg–1. Explain what this means.

The rate of evaporation is affected by several factors. Which statement describes one of the factors appropriately?

A beaker of water is cooled from 90 °C to 30 °C. What will happen to the water molecules?

A substance consists of particles that are close together and sliding past each other at random. The average speed of the particles is not increasing. Which statement best describes the substance?

A liquid is heated till it boils. The boiling point of the liquid is 80°C. Which of the following statements describe what happens if the liquid continues to be heated strongly as it boils?

Which of the following explains the increase in temperature when heat is supplied to a body?

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