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Subject :NSO    Class : Class 8

When electricity is passed through calcium nitrate solution in water, what is likely to be formed at the cathode and why?

A Hydrogen because it is a very reactive than calcium
B Calcium because it is a very reactive than hydrogen
C Hydrogen because it is less reactive than calcium
D Calcium because it is less reactive than hydrogen.


Ans 1:

Class : Class 8

Ans 2:

Class : Class 8

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