Which of the will not form an amalgam
$Au$
$Ag$
$Zn$
$Fe$
Which of the following is not true for transition metals
What are inner transition elements? Decide which of the following atomic numbers are the atomic numbers of the inner transition elements: $29,59,74,95,102,104$ .
Which one of the following ions is colourless
Magnetic moment of $x^{n+}$ is $\sqrt {24} $ $B.M.$ Hence No. of unpaired electron and value of $'n'$ respectively. (Atomic number $= 26$)
The catalyst used in the hydrogenation of oils is