Electrolysis and storage of batteries Archives

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the lead-acid battery" class="read-more button" href="https://exam.pscnotes.com/mcq/petroleum-jelly-is-applied-to-the-electrical-connections-to-the-lead-acid-battery/#more-57991">Detailed Solution

14. A dead storage battery can be revived by

Adding distilled water

Adding so-called battery restorer

A dose of H2SO4

None of the above

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24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube battery can be revived by" class="read-more button" href="https://exam.pscnotes.com/mcq/a-dead-storage-battery-can-be-revived-by/#more-57854">Detailed Solution

15. Lead-acid cell has a life of nearly charges and discharges

500

700

1000

1250

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132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube class="screen-reader-text">Lead-acid cell has a life of nearly charges and discharges

16. On overcharging a battery

It will bring about chemical change in active materials

It will increase the capacity of the battery

None of the above will occur

Detailed SolutionOn overcharging a battery

17. It is noticed that during discharging the following does not happen

Both anode and cathode become PbSO4

Specific gravity of H2SO4 decreases

Voltage of the cell decreases

The cell absorbs energy

Detailed SolutionIt

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is noticed that during discharging the following does not happen