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  • A non-metal X exists in two different forms Y and Z. Y is the hardest natural substance, whereas Z is a good conductor of electricity. Identify X, Y and Z

A non-metal X exists in two different forms Y and Z. Y is the hardest natural substance, whereas Z is a good conductor of electricity. Identify X, Y and Z

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Ans.
X exists in two different forms Y and Z
Y is the hardest natural substance, whereas Z is a good conductor of electricity
We know that diamond is the hardest natural substance, hence Y is diamond.
Now carbon (C) exists in two different forms called the allotropes of carbon. These allotropes are diamond and graphite. So X is carbon.
Z is graphite which is a good conductor of electricity.
X: Carbon
Y: Diamond
Z: Graphite

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