D-And F-Block Elements Ques 176

Question: Zinc forms two important alloys, (i) Brass and (ii) German silver. Metals present in them mainly are

Options:

A) In (i) zinc and tin; and in (ii) zinc, silver and nickel

B) In (i) zinc and iron; and in (ii) zinc, nickel and cobalt

C) In (i) zinc and copper; and in (ii) zinc, copper and nickel

D) In (i) zinc and aluminium; and in (ii) zinc, nickel and aluminium

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Answer:

Correct Answer: C

Solution:

Brass contains $ Cu=80% $ , $ Zn=20% $ German silver contains $ Cu=60% $ , $ Zn=20% $ , $ Ni=20% $



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