Which of the following metals can displace copper from copper sulphate solution ?
A). Platinum
B). Mercury
C). Iron
D). Gold
Iron
Iron metal is more reactive than copper. Therefore, it can displace copper from copper sulphate (CuSO4) solution. Cu is less reactive than iron, therefore, cannot replace iron from iron sulphate (FeSO4).
1. The gas that is used in the manufacture of vanaspati ghee is :
3. Which of the following elements has the lowest melting point?
4. Chemical name of vinegar is
5. The gas which is present in both the natural gas and the bio- gas is-
7. Water can be separated from alcohol water mixture by
8. Water attains maximum density at-
9. Glycol is used to manufacture which of the following ?
10. The Chairman of the Drafting Committee of the Constituent Assembly of India was