Question

The amount of heat energy required by 1 g of pure water, so as to raise its temperature through 1°C is known as:

Options

• calorie

• kilocalorie

• joule

• kilojoule

Answer 1

Calorie

Explanation:

By definition, the heat required to raise the temperature of 1 g of pure water through 1°C is called 1 calorie. A kilocalorie is the heat required to raise the temperature of 1 kg of water, while joules and kilojoules are SI units of heat.