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Question 42

The function of the magnanese (IV) oxide in a leclanche cell is to

  • A.decrease the e.m.f. of the cell
  • B.prevent local action in the cell
  • C.prevent polarization in the cell
  • D.increase the density of the electrolyte
  • E.increase the resistance of the cell.
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
1993
Question no.
#42
Type
Objective
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