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Select the correct statement(s).A. The non-stoichiometric from of `NaCl` is yellow and that of `KCl` is blue-lilac.B. Solids containing `F`-centres (Farbe) are paramagentic.C. Non-stoichiometric compounds are called Berthollide compounds.D. Conduction by electrons is called `n`-type semiconductor.

Answer» Correct Answer - A::B::C::D


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