ELECTROLYSIS AND STORAGE BATTERIES QUIZ

2.0 V

1.4 V

2.5 V

1.8 V

water is poured into acid

anyone of the two can be added to other chemical

none of the listed here

acid is poured into water

allowing a battery to stand in discharged condition for a long time

persistent undercharging

low level of electrolyte

all of the listed here

dilute H₂SO₄

only H₂SO₄

only water

NaOH

surface contact resistance between electrode and electrolyte

all of the listed here

electrode resistance

resistance of electrolyte

Plastic

Wood

All of the listed here

Glass

reduced gassing on charge

low sp. gravity electrolyte

abnormal high temperature

all of the listed here

1.1 V

1.5 V

0.5 V

0.26 V

20 to 35%

80 to 85%

70 to 75%

90 to 95%

to corrode the positive plates into lead peroxide thereby weakening them physically

produce gassing

bring about all above changes

increase the internal resistance of the battery