Question

How do you prove that unburnt substance gives examples​

Answer 1

Answer:

A hot glowing body of ignited gas that is generated by something on fire is called Flame. Kerosene oil and molten wax are substances that give a flame while burning.Wood and charcoal are substances that do not vaporise, but still burn, without any flame.

Observe an LPG flame. Can you tell the colour of the flame.

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Answer 2

Answer:

ok I am proving u

but u put me 10 thanks