Electrolysis and Storage Batteries During the charging and discharging of a nickel-iron cell water is neither formed nor absorbed corrosive fumes are produced nickel hydroxide remains unsplit its e.m.f. remains constant water is neither formed nor absorbed corrosive fumes are produced nickel hydroxide remains unsplit its e.m.f. remains constant ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The current flow through electrolyte is due to the movement of None of these electrons ions holes None of these electrons ions holes ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries In a lead-acid cell, if the specific gravity of sulphuric acid is 1.8, it will require following ratio of acid to water to get mixture of specific gravity of 1.3 4 parts of acid to 8 parts of water 4 parts of acid to 6 parts of water 6 parts of acid to 4 parts of water 4 parts of acid to 4 parts of water 4 parts of acid to 8 parts of water 4 parts of acid to 6 parts of water 6 parts of acid to 4 parts of water 4 parts of acid to 4 parts of water ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries When two batteries are connected in parallel, it should be ensured that they have same make they have identical internal resistance they have same ampere-hour capacity they have same e.m.f. they have same make they have identical internal resistance they have same ampere-hour capacity they have same e.m.f. ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries As compared to constant-current system, the constant-voltage system of charging a lead acid cell has the advantage of Both of the listed here reducing time of charging avoiding excessive gassing increasing cell capacity Both of the listed here reducing time of charging avoiding excessive gassing increasing cell capacity ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Weston standard cell at 20°C has voltage of ____ volts. 1.0187 1.5 0.8 1.2 1.0187 1.5 0.8 1.2 ANSWER DOWNLOAD EXAMIANS APP
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