Question

describe an activity to show that exheld air contains carbon dioxide ​

Answer 1

Answer:

¤ Take some freshly prepared lime water in a test tube. ¤ Blow air via your mouth to this lime water. ¤ You will observe that due to the presence of carbon dioxide in your exhaled air, the lime water turns milky. Hence, it is proved that you exhale carbon dioxide

Answer 2

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 .

I HOPE THIS HELPS YOU.

AND PLEASE MARK ME AS BRAINLIEST.

♥️♥️