Question

Give one significant difference between combustible substances and fuel giving any suitable example

Answer 1

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.

Answer 2

Answer:

Substance that burn in air and tend to produce heat and light are known as combustible substances. ... 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.11 mins ago

Explanation:

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