Steel contains
$Fe + C + Mn$
$Fe + C + Al$
$Fe + Mn$
$Fe + Mn + Cr$
Elements which generally exhibit multiple oxidation states and whose ions are usually coloured are
The set having ions which are coloured and paramagnetic both is :
Which of the following compounds is not coloured ?
The anode mud in the electrolytic refining of silver contains
A pink colored salt on dry heating becomes blue in colour. Salt may contain