1.

Which of the following represents pairs of metalloids? (a) Si & Sb (b) Pb & Sb (c) Ru & Rh (d) Ge & As (1) (b) and (d) (2) (a) and (c) (3) (b) and (c) (4) (a) and (d)

Answer»

Correct option is (4) (a) and (d)



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