Question

How will you differentiate between :-
(a) combustible and non - combustible substance?
(b) luminous and non - luminous flame?
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Answer 1

Explanation:

Combustion is a chemical reaction chemical that occurs between a fuel and an oxidizing agent that produces energy, usually in the form of heat and light. Substances that burn easily or catch fire easily are called combustible substances. ...

A non combustible substance is that which is not capable of igniting and burning.

Luminous flame: A luminous flame is a bright yellow flame which gives of light.

. Non-luminous flame: A non-luminous flame does glow as bright as luminous flame. It undergoes complete oxidation, so it gets much hot (high temperature) than luminous flame.

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