Write four uses of non-metals.
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Uses of nonmetals in our daily life:
Oxygen which is 21% by volume helps in the respiration process. It is also used for manufacturing of steel and provides high temperature in metal fabrication process. Oxygen cylinders are used in hospital.
Chlorine is useful in removing stains and color patches as a bleaching agent. Various graded plastics and insecticides are made with chlorine. It helps in purification of water. How? Adding chlorine to drinking water kills the bacterias.
Helium is used as inert gas for scientific experiments. It is also used in weather balloons.
Iodine helps from throat infections and is used as antiseptic on wounds and cuts.
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