Differentiate between combustible and non-combustible substance.
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A substance which burns in air and tends to produce heat and light is known as Combustible substances. Non-combustible substances are certain substances which are not combustible in the presence of air. Will not burn on being exposed to flame
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Answer:
Substance that burn in air and tend to produce heat and light are known as combustible substances.
For example, kerosene, petrol, diesel, compressed natural gas etc.
For combustion it is necessary to have fuel, heat and air.
On the other hand, non-combustible substances are the substances that do not undergo combustion in the presence of air.
For example, stone, glass, iron nails etc.
Explanation:
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