PDF chapter test TRY NOW
Write brief answers to the following questions:
1. Name two major non-metals which are present in fertilisers and enhance the growth of plants.
Two major non-metals which are present in fertilisers and enhance the growth of plants are: and .
2. Which non-metal is used to disinfect water?
which is a non-metal, is used in water purification plants because chlorine has the ability to .
3. A purple coloured non-metal forms a brown solution in alcohol which is applied on wounds as an antiseptic. Name the non-metal.
is a non-metal which is used to make -coloured solution called tincture iodine which is applied on cuts and wounds as an antiseptic.
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