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The diagram in Figure 1 shows a section of a dry cell. Study it and answer the questions that follow.

(a) Name the part labeled B.
(b) The part labeled A is a paste. Give a reason why it is not used in dry form.
(c) What is the purpose of the zinc container?

Answer Text:
(a) - Graphic rod.
(b) - In dry form, the ions are not free but in paste form the ions are free.
(c) - It acts as the negative plate by supplying electrons.