Which does not form amalgam
$Fe$
$Co$
$Ag$
$Zn$
Which one of the following does not correctly represent the order of the property indicated against it ?
The only cations present in a slightly acidic solutions are $Fe^{3+},\,Zn^{2+}$ and $Cu^{2+}$. The reagent that when added in excess to this solution would identify and separate $Fe^{3+}$ in one step is
By annealing, steel
Which metal is present in brass, bronze and German silver
Spiegeleisen is an alloy of