MCQ
German silver is an alloy of $Cu$ with
- ✓$Zn$ and $Ni$
- B$Ag$
- C$Zn$ and $Sn$
- D$Sn$ and $Ni$
German Silver is an alloy of copper, zinc and nickel, with a usual composition of $60\,\% Cu , 20\,\% Ni$, and $20\,\% Zn$. It was originally named for its silver-white colour, but the term 'silver' is now prohibited for alloys not containing that metal.
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Statement $I :$ In $CuSO _{4} .5 H _{2} O , Cu - O$ bonds are present.
Statement $II :$ In $CuSO _{4} .5 H _{2} O$, ligands coordinating with $Cu$ $(II)$ ion are $O$-and $S$-based ligands.
In the light of the above statements, choose the correct answer from the options given below