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Q.

Iron ore and manganese are the major ferrous minerals.


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
Iron ore and manganese are the major ferrous minerals. Ferrous minerals constitute almost three-fourths of the overall value of metallic mineral production. They offer a solid foundation for the growth of the metallurgical industry. The most significant ferrous minerals are iron ore and manganese. Iron ore is the fundamental mineral and the foundation of industrial development. India is abundant in high-quality iron ores. Magnetite is the purest iron ore, having a high iron concentration of up to 70%. It has outstanding magnetic properties, making it very useful in the electrical industry. Steel and ferromanganese alloys are the main products made using manganese. To get one tonne of steel, around 10 kg of manganese is needed. Insecticides, paints, and bleaching powder are some products made with it.
 
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