Question

State two uses of carbon dioxide gas.

Answer 1

Carbon dioxide -

• It is a colourless, odourless, and non-toxic gas.
• It makes 0.03%-0.04% of the air.
• It is given off as a product of respiration.

Uses:

• It is used as a refrigerant in the form of dry ice.
• It is used to extinguish the fire.
• Carbon dioxide is used to prepare baking soda.