Electrolysis and Storage Batteries The active materials of a nickel-iron battery are nickel hydroxide all of these powdered iron and its oxide 21% solution of kOH nickel hydroxide all of these powdered iron and its oxide 21% solution of kOH ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries When two batteries are connected in parallel, it should be ensured that 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. they have same make ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Which of the following factors adversely affects the capacity of the leadacid battery ? All of these Specific gravity of electrolyte Temperature of surroundings Rate of discharge All of these Specific gravity of electrolyte Temperature of surroundings Rate of discharge 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 to reduce evaporation of water from electrolyte None of the listed here Both of the listed here to exclude dirt and foreign matter from the electrolyte to reduce evaporation of water from electrolyte None of the listed here Both of the listed here to exclude dirt and foreign matter from the electrolyte ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Internal short circuits are caused by none of the listed here breakdown of one or more separators excess accumulation of sediment at the bottom of the cell both of the options given here none of the listed here breakdown of one or more separators excess accumulation of sediment at the bottom of the cell both of the options given here ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries In a lead-acid cell dilute sulfuric acid (electrolyte) approximately comprises the following one part H2O, three parts H₂SO₄ three parts H2O, one part H₂SO₄ two parts H2O, two parts H₂SO₄ all H₂SO₄ one part H2O, three parts H₂SO₄ three parts H2O, one part H₂SO₄ two parts H2O, two parts H₂SO₄ all H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
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