Electrolysis and Storage Batteries Which of the following is incorrect? A carbon-zinc cell has unlimited shelf life A primary cell has an irreversible chemical reaction A storage cell has a reversible chemical reaction A lead-acid cell can be recharged A carbon-zinc cell has unlimited shelf life A primary cell has an irreversible chemical reaction A storage cell has a reversible chemical reaction A lead-acid cell can be recharged ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries When two batteries are connected in parallel, it should be ensured that 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 they have identical internal resistance they have same ampere-hour capacity ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries In order that a hydrometer may float vertically in electrolyte its C.G. should be lowered raised undisturbed displaced sideways lowered raised undisturbed displaced sideways ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The open circuit voltage of any storage cell depends wholly upon its temperature its chemical constituents on the strength of its electrolyte all of the listed here its temperature its chemical constituents on the strength of its electrolyte all of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries It is noticed that during discharging the following does not happen specific gravity of H2SO4 decreases voltage of the cell decreases both anode and cathode become PbS04 the cell absorbs energy specific gravity of H2SO4 decreases voltage of the cell decreases both anode and cathode become PbS04 the cell absorbs energy ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries When a lead-acid battery is in fully charged condition, the color of its positive plate is dark grey none of the listed here brown dark brown dark grey none of the listed here brown dark brown ANSWER DOWNLOAD EXAMIANS APP