Question

3. State whether the following are physical or chemic
changes. Explain by giving reasons.
(a) charging of car baterries​

Answer 1

Explanation:

During discharge the acid goes into the plates. The chemical changes described in (a), (b), and (c) are not instantaneous. That is, the lead, lead peroxide, and sulphuric acid of the fully charged cell are not changed into lead sulphate and water as soon as a current begins to pass through the cell.

and it cant be reveresed so it it chemicals change

Answer 2

Answer:

chemical reaction...