Question

give two reasons why
carbon dioxide is colected upword displacement​

Answer 1

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.

Answer 2

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.