Chemistry, asked by charubisht1978, 10 months ago

when we burn paper and old discarded clothes they produce greyish ash?why?​

Answers

Answered by vskartheek
1

Explanation:

Smoke And Ash And...

Of course burning paper turns it to smoke and ashes and from our everyday experience, whether it's burning old exams or firewood, we typically experience burning in a similar way: when we burn something it gets lighter or, in other words, it loses mass. But this is not true in general!

For example, when metals are burned, they actually gain mass!

Combustion

This is because combustion, another word for burning, is actually a chemical reaction which produces heat via a reaction between an oxidant, like oxygen, and some other substance.

For example, when paper is burned oxygen from the air combines with carbon and hydrogen in the paper turning some of it into carbon dioxide and water vapor, which waft away with carbon particulates in the smoke. This, not surprisingly, leaves the solid ash leftover lighter than the original paper.

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