Q16 of 32 Page 19

Which non-metal is used to disinfect water?

The non metal which is used to disinfect water in water purification plants is Chlorine as it has the ability to kill germs.


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14

Which non-metal is essential for our life and all living beings inhale it during breathing?

 15

Name two major non-metals which are present in fertilizers and enhance the growth of plants.

 17

A purple coloured non-metal forms a brown solution in alchohol which is applied on wounds as an antiseptic. Name the non-metal.

 18

Zinc sulphate forms a colourless solution in water. Will you observe any colour on adding copper turning in it?