Electrolysis and Storage Batteries Which of the following cell has a reversible chemical reaction ? Carbon-zinc Mercury oxide Lead-acid Silver-oxide Carbon-zinc Mercury oxide Lead-acid Silver-oxide ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Electrolyte used in an Edison cell is HC1 kOH NaOH HN03 HC1 kOH NaOH HN03 ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries For a cell to work, which of the following condition(s) become necessary ? Electrolyte must chemically react with one of the electrodes Electrolyte liquid or paste should be conducting All of the listed here Two electrodes of different meta’s should be inserted in the electrolyte, not touching each other Electrolyte must chemically react with one of the electrodes Electrolyte liquid or paste should be conducting All of the listed here Two electrodes of different meta’s should be inserted in the electrolyte, not touching each other ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Internal resistance of a cell is reduced by putting plates very close together increasing the plate area all of the listed here using vent plug to permit gas formed during discharge putting plates very close together increasing the plate area all of the listed here using vent plug to permit gas formed during discharge ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Undercharging Increases specific gravity of the electrolyte Reduces specific gravity of the electrolyte Increases the temperature Produces excessive gassing Increases specific gravity of the electrolyte Reduces specific gravity of the electrolyte Increases the temperature Produces excessive gassing ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries When two batteries are connected in parallel, it should be ensured that they have same e.m.f. they have same ampere-hour capacity they have same make they have identical internal resistance they have same e.m.f. they have same ampere-hour capacity they have same make they have identical internal resistance ANSWER DOWNLOAD EXAMIANS APP
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