The metals which are mixed with iron to make stainless steel are:

Although metals form basic oxides,which of the following metals form an amphoteric oxide?

What is the shape of rhombic sulphur?

Which type of oxide is $CO_{2}$?

$(a)$ An ore on heating in air gives sulphur dioxide gas. Name the method in each metallurgical step that will be required to extract this metal from its ore.
$(b)$ State which of the following reactions will take place or not,giving a suitable reason for each.
$Zn(s) + CuSO_4(aq) \rightarrow ZnSO_4(aq) + Cu(s)$
$Fe(s) + ZnSO_4(aq) \rightarrow FeSO_4(aq) + Zn(s)$

Which metal is stored in kerosene?