Colour of solution changes to blue,
A. Only (I)
B. Both (I) and (III)
C. Both (II) and (III)
D. (I), (III) and (IV)
Answer:B
Colour of solution changes to blue,
A. Only (I) B. Both (I) and (III) C. Both (II) and (III) D. (I), (III) and (IV)
Explanation: When diluting sulphuric acid is added to zinc granules in a conical flask, the equation of the reaction taking place is: