Question

When a combustible substance catches fire on its own, even at room temperature, is referred to as -

Slow Combustion

Rapid Combustion

Explosive Combustion

Spontaneous Combustion

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Answer 1

Answer:

There are substances like phosphorus which burn in air at room temperature. The type of combustion in which a material suddenly bursts into flames, without the application of any apparent cause is called spontaneous combustion. Spontaneous combustion of coal dust has resulted in many disastrous fires in coal mines.Therefore,option d is the correct option.Hope my answer helps!!!

Answer 2

Answer:

spontaneous combustion

Explanation:

When a combustible substance catches fire on its own, even at room temperature, is referred to as -