Question

Give reason for the following:

Air is considered to be matter even though we cannot see it.

Answer 1

• The matter is anything that has mass and occupies space.
• Air also has mass as it is composed of various gases like oxygen, nitrogen, etc, and occupies the space available.
• Hence, Air is considered as matter.
• Example: A cylinder filled with LPG gas is heavier than an empty cylinder which indicates air has mass.