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Question

Local action in the simple voltaic cells is caused due to impurities in


A

zinc plate

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B

copper

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C

dil. sulphuric acid

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D

all of above

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Solution

The correct option is A

zinc plate


  1. Local action -when commercial zinc is used in a zinc plate, it contains impurities that consume the zinc plate.
  2. During local action a large number of local cells are formed.

Hence, option (A) is correct.


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