Question

I) Long answers

1) describe how would you prove (with the help of experiment) that air contains carbon dioxide.
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Answer 1

Explanation:

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Answer 2

Answer:

Limewater can be used to detect carbon dioxide. If carbon dioxide is bubbled through limewater then it turns from clear to cloudy/milky in colour. This is why limewater used in a simple respirometer can show that more carbon dioxide is present in exhaled air compared to inhaled air.

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