CBSE Class 12-science - Batteries Videos

• Give one major advantage and disadvantage of Lead storage battery.
• Write the cell reactions which occur in lead storage battery (i) when the battery is in use (ii) when the battery is on charging.
• Which cell is a device to convert the Chemical energy of hydrogen gas into electrical energy?
• Write down the reactions taking place at the electrodes of a Mercury cell. At Anode: The Oxidation of Zinc metal takes place and the Zinc ions react with the OH- ions from the electrolyte to form Zinc hydroxide.
• What are the advantages of a fuel cell over mercury cell?
• Give a one major difference between a primary cell and a secondary cell.
• Giving Cathode and anode reaction of Nickel Cadmium cell illustrate the overall cell reaction.
• Why a Dry cell is termed as dry Cell?
• What do you understand by the term "Corrosion of dry Cell"?
• A lead storage cell acts both as Electrolytic cell as well as Galvanic cell. Explain.

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