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AP EAMCET201921 Apr 2019Morning ShiftChemistryd and f Block ElementsActual

Identify the metal which is not common to German silver and brass.

Options

  1. ACu
  2. BZn
  3. CFe
  4. DNi

Correct answer

C. Fe

Step-by-step solution

Composition of German silver is Zinc (Z n)= about 35 % Copper ( Cu )= about 50 % Nickel ( Ni )= about 15 % While brass contain mainly : Zinc ( Zn 30 % ) and copper ( Cu 70 % ) and some quantity of nickel (Ni). Therefore, metal nickel (Ni) is not common to German silver and brass. Hence, option (d) is the correct answer.

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