Question

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Answer 1

Answer:

(i) all of these

(ii)(b)

(iii)(b)

(iv) (d)

Answer 2

Answer:

{1}. (c) both similarities and differences in there properties.

{2}. (c) freshly cut surface of non metal.

{3}. (b) translucent.

{4}. (a) glass and air.

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