Question

describe an activity to show that exhaled air contain carbon dioxide​

Answer 1

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Answer 2

$\huge\underline\bold\red{AnSwer :-}$

• Take a test tube fill it with freshly prepared lime water take a straw dip it inside lime water and then exhale you will find that the lime water turns its colour to white like milky colour.
• This shows that the air which we exhale is carbon dioxide .