Compound $A$ used as a strong oxidizing agent is amphoteric in nature. It is the part of lead storage batteries. Compound $A$ is

Which of the following is used as an electrolyte in a dry cell (Leclanché cell)?

If $\lambda_{m}^{o}(SO_{4}^{2-}) = 160 \ S \ cm^{2} \ mol^{-1}$ and $\Lambda_{m}^{o}(Al_{2}(SO_{4})_{3}) = 758 \ S \ cm^{2} \ mol^{-1}$,then calculate $\lambda_{m}^{o}(Al^{3+})$.

For a general redox reaction:
Anode: $Red_1 \to Ox_1^{n_1+} + n_1 e^-$
Cathode: $Ox_2^{n_2+} + n_2 e^- \to Red_2$
Which of the following statements is incorrect?

$A$ device that converts the energy of combustion of fuels like hydrogen and methane directly into electrical energy is known as:

When a lead storage battery is charged,what happens?