A) Rajasthan has the largest limestone reserves.
B) About 75% of the limestone is used in cement industry.
C) Limestone with more than 10% of magnesium is called dolomite.
D) Bauxite is used for making aluminium.
Correct Answer: A
Solution :[a] Karnataka with 28% of the limestone reserves is far ahead of Rajasthan which has about 12% of lndia's limestone reserves.
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