Which of the following is correct - Vidyadip

MCQ

Which of the following is correct

✓
Gun metal :$Cu + Zn + Sn$
B
Duralumin : $Al + Cu + Mg + Ag$
C
German silver : $Cu + Zn + C$
D
Solder : $Pb + Al$

✓

Answer

Correct option: A.

Gun metal :$Cu + Zn + Sn$

a
(a)Gun metal contains $Cu (88\%), Zn (2\%), Sn(10\%), Pb (0.5\%)$

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