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the most important non-metallurgical application of manganese is in the form of manganese dioxide, which is used as a depolarizer in dry-cell batteries. the function of the manganese dioxide in batteries is to oxidize the hydrogen and form water. the leclanché cell, which was first developed in , incorporated...
dollars in showing a rate of growth of %. the highest import from egypt was in amounting usd . ethiopia's import from egypt republic from up to it is also clear from the data that the balance of trade has remained to be in favor of egypt because of our import is manufactured goods while the export is primary...
ans. the arrangement of connecting more than one cell in series or parallel or both constitutes a battery. ques what are the different classifications of batteries? ans. batteries are classified broadly into primary & secondary batteries. ques what are primarybatteries?...