Question

Assertion(A): Colour of copper sulphate solution changes when an iron nail is kept in it.
Reason(R): Colour of copper sulphate solution changes from blue to green.
i) Both A and R are true and R is correct explanation of the assertion.
ii) Both A and R true but R is not the correct explanation of the assertion.
iii) A is true but R is false.
iv) A is false but R is true.

Answer 1

Answer:

( i ) both A and R are true and R is correct expln of A