- (A) maintain proper electrolyte level
- (B) increase its reserve capacity
- (C) prevent sulphation
- (D) keep it fresh and fully charged
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- (A) there is a rise in voltage
- (B) energy is absorbed by the cell
- (C) specific gravity of H2SO4 is increased
- (D) the anode becomes chocolate brown in colour (PbCfe) and cathode becomes grey metallic lead (Pb)
- (E) all of the above
- (A) compactness
- (B) lower e.m.f.
- (C) small quantity of electrolyte used
- (D) higher internal resistance
- (A) one part H2O, three parts H2SO4
- (B) two parts H2O, two parts H2SO4
- (C) three parts H2O, one part H2SO4
- (D) all H2S04
- (A) passive
- (B) active
- (C) redundant
- (D) inert
- (A) corrosive fumes are produced
- (B) water is neither formed nor absorbed
- (C) nickel hydroxide remains unsplit
- (D) its
- (E) m.f. remains constant
- (A) manometer
- (B) a mechanical gauge
- (C) hydrometer
- (D) psychrometer
- (A) less than
- (B) more than
- (C) equal to
- (D) none of the above
- (A) NaOH
- (B) KOH
- (C) HC1
- (D) HN03
- (A) five years
- (B) seven years
- (C) eight years
- (D) ten years
