2. Metals like
are poor conductors of heat.
is the hardest known substance in nature.
is a non-metal which is a good conductor of electricity,
5. Sulphur dioxide dissolves in water to form
solution
6. Copper metal does not react even with
7. Chlorine is
reactive than bromine.
is used for manufacturing matchsticks.
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2.diamond. 5.Sulphuric acid. 7.because it is an allot
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