Question

what is meant by luminous and non-luminious flames​

Answer 1

Answer:

luminous is the flame which allows electricity to pass through it and non luminous is the flame which does not allow the light to pass through it

Answer 2

Answer:

While a luminous flame burns yellow, a non-luminous flame burns blue; this is because of the difference in available levels of oxygen. Luminous flames have limited access to oxygen, while non-luminous flames have unlimited access to oxygen.

Explanation:

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