Question

Match Column I with Column II.

Column I. Column II

(i) Sodium. (A) forms black oxide

(ii) Copper. (B) forms black metal sulphide

(iii) Silver. (C) occurs in free state

(iv) Gold. (D) reacts explosively with cold water

(v) Zinc. (E) used in. galvanisation​

Answer 1

Answer:

(i)>(D) ,(ii)>(A), (iii)>(B), (iv)>(C), (v)>(E)

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Answer 2

Answer:

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Explanation:

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