ELECTROLYSIS AND STORAGE BATTERIES QUIZ

excessive drop in the specific gravity of electrolyte even when the cell is on open circuit

both of the listed here

excessive gassing under load conditions

none of the listed here

specific gravity of H₂SO₄ decreases

it gives out energy

its cathode becomes dark chocolate brown in colour

its voltage increases

silver oxide

lead

iron

copper

2.1 V

1.7 V

1 V

1.2 V

reddish

dull

milky

bright

psychrometer

hydrometer

a mechanical gauge

manometer

specific gravity of electrolyte

none of the listed here

temperature of electrolyte

output voltage

maintain proper electrolyte level

keep it fresh and fully charged

prevent sulphation

increase its reserve capacity

All of the listed here

boiling of electrolyte due to gassing

warping of plates

damage to separators, cell caps covers and battery case due to excessive temperature

3

5

2

4