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For lead storage battery pick the correct statements A. During charging of battery, PbSO 4 on anode is converted into PbO 2 B. During charging of battery, PbSO 4 on cathode is converted into PbO 2 C. Lead storage battery consists of grid of lead packed with PbO 2 as anode D. Lead storage battery has ~ 38% solution of sulphuric acid as an electrolyte Choose the correct answer from the options given below:

1. A, B, D only
2. B, C, D only
3. B, C only
4. B, D only

Correct answer: B, D only

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