Which metal is most commonly used for fertilizers?
Sodium
Potassium
Magnesium
Calcium
Potassium is the most commonly used metals for fertilizers.
Which is the most commonly used metal on earth?
Which of the following was one of the most commonly used metals for coinage?
Which cement is most commonly used for construction work?
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.
Which among the following is the most reactive metal ?
(a) copper
(b) calcium
(c) iron
(d) magnesium