Question

12. Write three uses of non-metals.
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Answer 1

Answer:

Oxygen is used for breathing.

Chlorine is used for purifying water.

Phosphorous is used in crackers.

Non - metals like nitrogen is used in fertilizers.

Graphite is used as a good conductor of electricity.

Potassium is used in fertilizers.

Nitrogen is used by plants.

Answer 2

Answer:

Explanation:

most of the surroundings are made up of non metals

as ,

carbon dioxide - plants take to prepare food

nitrogen - fertilizers

oxygen - all animals take breathe

aluminium - utensils

copper - electronics

iron - automobiles

gold ,silver - jewelry