K.C.S.E Physics Q & A - MODEL 2011PP2QN04&5
Figure 4. shows the cross-section of a dry cell. Use the information on the figure to answer questions 4 and 5.
​Name the parts labelled A and B.
State the use of the manganese (IV) oxide in the cell.
answers
​4. A = Carbon rod(+);
B = Manganese (VI) oxide 5. Manganese (IV) oxide is a depolarizer/oxidizing agent;
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