Question

friends plzzz help it's urgent ​

Answer 1

Answer:

hardest substance =diamond

Answer 2

Hi Mate ♥

Here is your Answer ✨

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1) Hardest substance Diamond

2) Aluminium ore Bauxite

3) A non-metal Bromine

4) A good conductor Arsenic

5) A metalloid Graphite

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Hope it Helps you