8. Write one use of each of the following: copper, zinc, hydrogen, sulphur.
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5
Answer:
copper is used in wire because they are good conductor of heat and electricity
zinc is used to prevent metals from rusting
hydrogen is used in reduction of metal ores
sulphur is used in vulcanization of rubber
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copper - wires , motors...
zinc - paints,rubber,alloys ....
hydrogen - ballons,fuel...
sulphur - onions,crackers, gunpowder, detergent..
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