Question

a combustible substance which produce a large amount of heat and light on burning.​

Answer 1

$\large\huge \mathcal{ \fcolorbox{blue}{black}{ \red{Answer}}} \\ \\ \\ \bold \blue{ \longrightarrow A \: substance \: which \: produces \: a \: lot} \\ \bold \blue{ of \: heat \: and \: light \: energy \: on \: heating \: is} \\ \bold \blue{ called \: a \: combustible \: substance.}$

Answer 2

Answer:

some substances like magnesium catches fire and burns with a dazzling white Flame when heated. in air.

Similarly, when a piece of per is brought. near a candle flame, it burns producing heat and light, The substance which undergo combustion are known as combustible substance.It may also be called fuel.

Explanation:

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