12. Write three uses of non-metals.

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

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.

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