1.

Match the following : a) Horn silver — i) MnO2 b) Pyrolusite — ii) AgClc) Zincite — iii) NaCl d) Rock salt — iv) ZnO A) a → i, b→ii, c → iii, d →iv B) a → iv, b → iii, c → ii, d → i C) a → ii, b → i, c → iv, d → iii D) a → iv, b → ii, c → i, d→iii

Answer»

C) a → ii, b → i, c → iv, d → iii



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