Electrolysis and Storage Batteries Those substances of the cell which take active part in chemical combination and hence produce electricity during charging or discharging are known as______materials. active passive all redundant active passive all redundant ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Sulphated cells are indicated by the decrease of the specific gravity the low voltage of the cell on discharge all of the listed here the loss of capacity of the cell the decrease of the specific gravity the low voltage of the cell on discharge all of the listed here the loss of capacity of the cell 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 4 parts of water 6 parts of acid to 4 parts of water 4 parts of acid to 6 parts of water 4 parts of acid to 8 parts of water 4 parts of acid to 4 parts of water 6 parts of acid to 4 parts of water 4 parts of acid to 6 parts of water 4 parts of acid to 8 parts of water ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries During the charging of a lead-acid cell its cathode becomes dark chocolate brown in colour specific gravity of H₂SO₄ decreases its voltage increases it gives out energy its cathode becomes dark chocolate brown in colour specific gravity of H₂SO₄ decreases its voltage increases it gives out energy ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Weston standard cell at 20°C has voltage of ____ volts. 0.8 1.2 1.0187 1.5 0.8 1.2 1.0187 1.5 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 carbon-zinc cell has unlimited shelf life A storage cell has a reversible chemical reaction A primary cell has an irreversible chemical reaction A lead-acid cell can be recharged A carbon-zinc cell has unlimited shelf life A storage cell has a reversible chemical reaction ANSWER DOWNLOAD EXAMIANS APP
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