Q80 of 102 Page 79

Which of the following pairs cannot undergo displacement reaction?

Zinc sulphate solution and calcium cannot undergo displacement reaction. 

This is because zinc is more reactive than iron. Hence, iron cannot displace zinc from zinc sulphate solution.


More from this chapter

All 102 →
78

The metal which will not produce hydrogen gas on reacting with dilute sulphuric acid is:

 79

The element which is stored under kerosene is:

 81

Which of the following metal exists in the liquid state at room temperature?

 82

The element Z burns in air to form an oxide. The aqueous solution of this oxide turns blue litmus to red. The element Z is most likely to be: