Question

Carbon dioxide is collected by displacement of air ​

Answer 1

Answer:

Lighter gases are collected by downward displacement of air or by a process called upward delivery. In the case of carbon dioxide, as its density is higher than air and it is heavy it is collected by upward displacement of air.

Explanation:

Answer 2

Explanation:

Lighter gases are collected by downward displacement of air or by a process called upward delivery. In the case of carbon dioxide, as its density is higher than air and it is heavy it is collected by upward displacement of air.