Question

An example of rapid combustion is :

• A. Rusting of iron
• B. Respiration
• C. Rotting of wood
• D. Burning of petrol

Answer 1

The correct option is D

Burning of petrol

D. Burning of petrol

Explanation for correct option:

• Combustion is burning in the presence of air. The type of combustion in which oxygen reacts very quickly with a substance with the release of heat and light energy is called rapid combustion.
• The burning of petrol is a very quick reaction with the production of a large amount of heat and light.

Explanation for incorrect options:

A. Rusting of iron is a slow process where the Iron gradually oxidizes over time.

B. Respiration is a chemical reaction in which energy is released with the help of oxygen.

C. Rotting of wood is a chemical change in which the wood in contact with moisture and bacteria decomposes

Hence option (D) is the correct answer.

An example of rapid combustion is the Burning of petrol