Which of the following order is correct
$Cr^{+2} > Fe^{+2}$ : Reducing character
$Mn^{+3} > Cr^{+3}$ : Oxidising character
$WO_3 > CrO_3$ : Stability order
All of these
Manganese steel is used for making railway tracks because
Most stable compound among the following is
The addition of metals like $Cr,\,Mn,\,W$ and $Ni$ to ordinary steel makes it
Which of the following ions is coloured
Least reactive metal is