It is essential for a substance to reach ignition temperature to burn,inflammable substances.CBSE.

Описание к видео It is essential for a substance to reach ignition temperature to burn,inflammable substances.CBSE.

Combustion and flame

activity 6.4

The heat supply to the paper cup is transferred to water by conduction. So in the presence of water the ignition temperature of paper is not reaches.

Inflammable substances

The substances which have very low ignition temperature and can easily catch fire with a flame are called in flamable substances.
examples
petrol,alcohol, LPG etc.....

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