Which of the following statements are correct ?1. Lignite and low grade bituminous coal were formed during the Quaternary period2. Dolomite is used as refractory material and flux in iron and steel industry3. Chhotangpur plateau is the most extensive, rich and diversified mineral beltSelect the correct answer using the codes given belowCode

Which of the following statements are correct ?1. Lignite and low grad

1.	Which of the following statements are correct ?1. Lignite and low grade bituminous coal were formed during the Quaternary period2. Dolomite is used as refractory material and flux in iron and steel industry3. Chhotangpur plateau is the most extensive, rich and diversified mineral beltSelect the correct answer using the codes given belowCode
A.	1, 2 and 3
B.	1, and 2
C.	2 and 3
D.	1 and 3
Answer» D. 1 and 3

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