The constituent of haemoglobin is _______.
Iron
Sodium
Copper
Magnesium
The constituent of haemoglobin is “Fe”.
You are given a solution of iron sulphate. Which of the following do you think cannot displace iron from iron sulphate ?
(a) magnesium
(b) calcium
(c) copper
(d) zinc
Which among the following is the most reactive metal ?
(a) copper
(c) iron
(d) magnesium
Magnesium is more reactive than copper or iron but iron is more reactive than copper. Which of the following pots will get damaged and why ?
(i) A solution of magnesium sulphate is kept into copper pot.
(ii) A solution of copper sulphate is kept in iron pot
(iii) A solution of magnesium sulphate is kept into iron pot