Which metal among calcium or iron is more reactive?
Which among the following is the most reactive metal ?
(a) copper
(b) calcium
(c) iron
(d) magnesium
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.