Electrolysis and Storage Batteries The internal resistance of an alkali cell is nearly _____ times that of the lead-acid cell. 5 3 4 2 5 3 4 2 ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The active materials of a nickel-iron battery are 21% solution of kOH nickel hydroxide powdered iron and its oxide all of these 21% solution of kOH nickel hydroxide powdered iron and its oxide all of these ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The average charging voltage for alkali cell is about 2.1 V 1.2 V 1.7 V 1 V 2.1 V 1.2 V 1.7 V 1 V ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries During the charging of a lead-acid cell its voltage increases its cathode becomes dark chocolate brown in colour specific gravity of H₂SO₄ decreases it gives out energy its voltage increases its cathode becomes dark chocolate brown in colour specific gravity of H₂SO₄ decreases it gives out energy ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries In a battery cover is placed over the element and sealed to the top of the battery container. This is done Both of the listed here to reduce evaporation of water from electrolyte None of the listed here to exclude dirt and foreign matter from the electrolyte Both of the listed here to reduce evaporation of water from electrolyte None of the listed here to exclude dirt and foreign matter from the electrolyte ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The e.m.f. of an Edison cell, when fully charged, is nearly 2.0 V 2.5 V 1.8 V 1.4 V 2.0 V 2.5 V 1.8 V 1.4 V ANSWER DOWNLOAD EXAMIANS APP