Question

Which of the following statements are true for burning of fuels?
*More than one option may be correct.

• A. Fuels require oxygen to burn.
• B. Fuels release heat energy when burnt.
• C. Fuels require water to continue burning.
• D. Food burns to give us energy.

Answer 1

Answer: (A), (B), (D)

The correct options are
A Fuels require oxygen to burn.
B Fuels release heat energy when burnt.
D Food burns to give us energy.

Fuels are substances that burn to release energy that is used in many activities. They require oxygen to burn. Food is also a fuel for our body because it uses the oxygen entering our body to burn and release energy.