Which of the following alloys contains(s) Cu and Zn ?\

Question

Professor PC Thomas Classes · Answer

(b, c) : Brass contains $60-80 \% \mathrm{Cu}$ and $40-20 \% \mathrm{Zn}$.\ Gun metal contains $87 \% \mathrm{Cu}$ and $3 \% \mathrm{Zn}$ and $10 \% \mathrm{Sn}$.\