Which metal is more reactive : iron or zinc ?
The reason are:
CuSO4+Fe →FeSO4+ Cu
FeSO4+Zn →ZnSO4+ Fe
Which of the following statement is true on the basis of above reactions?
Which metal is less reactive : copper or iron ?
Though zinc is more reactive than iron, yet it prevents rusting. Justify.
The figure represents the reactivity of metals then which of the following are correct?
(i) Sodium is more reactive than magnesium.
(ii) Magnesium ad aluminium metals displace lead.
(iii) Magnesium and aluminium metals displace calcium.
(iv) Iron and tin metals can displace magnesium.
(v) Most reactive metal is sodium.
(vi) Gold is least reactive.
(vii) Calcium and zinc metals displace iron.