Electrolysis and Storage Batteries The active material of the positive plates of silver-zinc batteries is lead oxide zinc powder silver oxide lead lead oxide zinc powder silver oxide lead ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Hydrogen evolved during charging produces explosive mixture when it is more than 6 % 10 % 5 % 8 % 6 % 10 % 5 % 8 % ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries In alkaline cell the electrolyte is dilute sulphuric acid NaOH kOH concentrated sulphuric acid dilute sulphuric acid NaOH kOH concentrated sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Excessive formation of lead sulphate on the surface of the plates happens because of allowing a battery to stand in discharged condition for a long time persistent undercharging all of the listed here low level of electrolyte allowing a battery to stand in discharged condition for a long time persistent undercharging all of the listed here low level of electrolyte ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Weston standard cell at 20°C has voltage of ____ volts. 1.2 1.0187 0.8 1.5 1.2 1.0187 0.8 1.5 ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Internal short circuits are caused by both of the options given here none of the listed here excess accumulation of sediment at the bottom of the cell breakdown of one or more separators both of the options given here none of the listed here excess accumulation of sediment at the bottom of the cell breakdown of one or more separators ANSWER DOWNLOAD EXAMIANS APP
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