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In a battery, cover is placed over the elements and sealed at the top of the battery container. This is done in order to | |
A. | exclude dirt and foreign matter from the electrolyte. [Wrong Answer] |
B. | reduce evaporation of water from electrolyte. [Wrong Answer] |
C. | both (a) and (b). [Correct Answer] |
D. | none of the above [Wrong Answer] |