Besides $Zn$ and $Cu$, german silver contains the metal
$Sn$
$Ag$
$Ni$
$Mg$
$CuSO_4(aq) + 4NH_3 \rightarrow X,$ then $X$ is
The number of $d-$ electrons in $F{e^{2 + }}$ (at no. of $Fe = 26$) is not equal to that of the
The melting point of $Zn$ is lower as compared to those of the other elements of $3d$ series because
Which of the following will show increase in weight when kept in magnetic field
Which one of the following statements shows the correct percentage of carbon in steel, pig iron and wrought iron