ELECTROLYSIS AND STORAGE BATTERIES QUIZ

none of the listed here

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

excessive gassing under load conditions

both of the listed here

active state

none of the listed here

charged state

discharged state

HN03

NaOH

HC1

kOH

All of these

Temperature

Rate of discharge

Density of electrolyte

the anode becomes chocolate brown in colour (PbCfe) and cathode becomes grey metallic lead (Pb)

all of these

energy is absorbed by the cell

there is a rise in voltage

reduce path resistance

prevent short-circuiting

prevent local heating

prevent corrosion

1.1

1.21

2.0

1.5

A primary cell has an irreversible chemical reaction

A storage cell has a reversible chemical reaction

A carbon-zinc cell has unlimited shelf life

A lead-acid cell can be recharged

all of the listed here

produces excessive gassing

increases the temperature resulting in buckling of plates

loosens the active material

manometer

a mechanical gauge

hydrometer

psychrometer