(a) What grade of iron-ore is mostly mined in India ? Name two leading iron-ore producing states. -Geography

(a) What grade of iron-ore is mostly mined in India ? Name two leading iron-ore producing states.  -Geography
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(a) Hematite and Magnetite states grade of iron ore is mostly found in India. Two leading iron ore producing states are Orissa and Jharkhand.  (b) Lignite is a poor quality coal which has 60% of carbon content. It is found in Kashmir (Riasi) and Tamil Nadu (Neyveli).  (c) Leading producer of Manganese in India is Orissa.  Two Industrial uses of Manganese are:  1. Used for the manufacturing of paints and glass.  2. Used in Iron and Steel industry to strengthen steel.  (d) Two states where limestone is found — Chhattishgarh and Madhya Pradesh. Two uses of limestone are :  1. It is used as raw material in cement industry and  2. As flux in iron and steel industry.
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