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Chemistry Metal And Its Compounds Difficulty: Medium

Sodium is a reactive metal, which if kept open reacts with . . . . . . . . explode and catch fire.

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The chemical name of 'common salt' is Non-stick frying pans are coated with What catalyst is employed when benzene is prepared from acetylene at 70°C? The phenomenon in which a compound exists in two or more crystalline forms is called ________________? In O2 each oxygen atom is hybridized_________________?