Electrolysis and Storage Batteries The mass of an ion liberated at an electrode is directly proportional to the quantity of electricity”. The above statement is associated with Faraday’s law of electromagnetic Faraday’s law of electrolysis Gauss’s law Newton’s law Faraday’s law of electromagnetic Faraday’s law of electrolysis Gauss’s law Newton’s law ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Which of the following is incorrect? A primary cell has an irreversible chemical reaction A lead-acid cell can be recharged A storage cell has a reversible chemical reaction A carbon-zinc cell has unlimited shelf life A primary cell has an irreversible chemical reaction A lead-acid cell can be recharged A storage cell has a reversible chemical reaction A carbon-zinc cell has unlimited shelf life ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The capacity of a lead-acid cell does not depend on its rate of discharge quantity of active material rate of charge temperature rate of discharge quantity of active material rate of charge temperature ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The watt-hour efficiency of a lead-acid cell varies between 70 to 80% 25 to 35% 40 to 60% 90 to 95% 70 to 80% 25 to 35% 40 to 60% 90 to 95% ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The average charging voltage for alkali cell is about 1.7 V 1 V 2.1 V 1.2 V 1.7 V 1 V 2.1 V 1.2 V 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 make they have same ampere-hour capacity they have identical internal resistance they have same e.m.f. they have same make they have same ampere-hour capacity they have identical internal resistance ANSWER DOWNLOAD EXAMIANS APP
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