Electrolysis and Storage Batteries The ampere-hour efficiency of a leadacid cell is normally between 70 to 75% 90 to 95% 80 to 85% 20 to 35% 70 to 75% 90 to 95% 80 to 85% 20 to 35% ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Which of the following is incorrect? A primary cell has an irreversible chemical reaction A carbon-zinc cell has unlimited shelf life A storage cell has a reversible chemical reaction A lead-acid cell can be recharged A primary cell has an irreversible chemical reaction A carbon-zinc cell has unlimited shelf life A storage cell has a reversible chemical reaction A lead-acid cell can be recharged ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The charge required to liberate one gram equivalent of any substance is known as ______ constant Boltzman None of the listed here Faraday’s Time Boltzman None of the listed here Faraday’s Time ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Petroleum jelly is applied to the electrical connections to the lead-acid battery prevent local heating prevent corrosion reduce path resistance prevent short-circuiting prevent local heating prevent corrosion reduce path resistance prevent short-circuiting ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The following indicate that battery on charge has attained full charge all of these gassing colour of electrode specific gravity all of these gassing colour of electrode specific gravity ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries It is noticed that durum charging the anode becomes chocolate brown in colour (PbCfe) and cathode becomes grey metallic lead (Pb) all of these there is a rise in voltage energy is absorbed by the cell the anode becomes chocolate brown in colour (PbCfe) and cathode becomes grey metallic lead (Pb) all of these there is a rise in voltage energy is absorbed by the cell ANSWER DOWNLOAD EXAMIANS APP