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Question 41

The metals that are employed in the battery industries are A. Fe, B. Mn, C. Ni, D. Cr, E. Cd. Choose the correct answer from the options given below:

Solution

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Metals used in battery industries: Mn (dry cell, alkaline), Ni (NiCd, NiMH), Cd (NiCd). Fe and Cr are not commonly used in batteries.

The answer is Option (1): B(Mn), C(Ni) and E(Cd) only.

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