Electrolysis and Storage Batteries Which of the following primary cells has the lowest voltage ? Lithium Carbon-zinc Mercury Zinc-chloride Lithium Carbon-zinc Mercury Zinc-chloride ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Negative plate of an Edison cell is made of copper lead iron silver oxide copper lead iron silver oxide ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries For a cell to work, which of the following condition(s) become necessary ? Electrolyte must chemically react with one of the electrodes Two electrodes of different meta’s should be inserted in the electrolyte, not touching each other All of the listed here Electrolyte liquid or paste should be conducting Electrolyte must chemically react with one of the electrodes Two electrodes of different meta’s should be inserted in the electrolyte, not touching each other All of the listed here Electrolyte liquid or paste should be conducting 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 make they have same e.m.f. they have same ampere-hour capacity they have identical internal resistance they have same make they have same e.m.f. they have same ampere-hour capacity ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries On the average the ampere-hour efficiency of an Edison cell is about 0.8 0.6 0.4 0.7 0.8 0.6 0.4 0.7 ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries If a lead-acid cell is discharged below 1.8 V the following will happen. Internal resistance will increase Sulphation of plates will occur All of the listed here Capacity of cell will reduce Internal resistance will increase Sulphation of plates will occur All of the listed here Capacity of cell will reduce ANSWER DOWNLOAD EXAMIANS APP