A) Iron and steel industry
B) Insecticides
C) Bleaching powder
D) Batteries
Correct Answer: A
Solution :
[a] The main use of manganese is for making iron and steel and it is used as the basic raw material for making its alloy. Nearly 6 kg of manganese is required for manufacturing one tonne of steel. Small quantities of manganese are used for manufacturing bleaching powder, insecticides, paints and batteries.
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