GK
INDIAN ECONOMY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Primary Activity
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Secondary Activity
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Tertiary Activity
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All of these
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Detailed explanation-1: -All industrial and manufacturing work comes under secondary sector and activities and converting iron ore to steel is an industrial activity. Hence it comes under secondary activity.
Detailed explanation-2: -Modern steelmaking processes can be divided into three steps: primary, secondary and tertiary. Primary steelmaking involves smelting iron into steel. Secondary steelmaking involves adding or removing other elements such as alloying agents and dissolved gases.
Detailed explanation-3: -Iron ore is used to make a variety of articles from pins to heavy machinery, for example, farming implements, rails of railway tracks, etc. Compounds of manganese are used in the preparation of medicines and for giving a pink tinge to the glass. Manganese is also used in electrical appliances.