Identify the correct statements from the following I. Brass is an alloy of copper and nickel II. Bronze is…
Identify the correct statements from the following
I. Brass is an alloy of copper and nickel
II. Bronze is an alloy of copper and zinc
III. German silver is an alloy of copper, zinc and nickel
IV. Brass is an alloy of copper and zinc
I \& II only
II \& III only
III \& IV only
I \& IV only
Solution
Brass $=\mathrm{Cu}+\mathrm{Zn}$ alloy, Bronze $=\mathrm{Cu}+\mathrm{Sn}$ alloy German silver $=\mathrm{Cu}+\mathrm{Zn}+\mathrm{Ni}$