Question

__supports combustion.​

Answer 1

H2 is a combustible gas but does not support combustion when there is no supply of O

2

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Answer 2

Answer:

Oxygen gas is a supporter of combustion and keeps the burning splinter glowing. ... Combustion is an exothermic redox chemical reaction which takes place at high temperature between a fuel and an oxidant. A combustible substance is those substances which burn in air to produce heat and light.

Explanation:

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