Millionaire Mode

Minerals and Energy Resources - I (Class-X)

Question 1 of 15

One mode of formation of minerals involves the decomposition of surface rocks, and the removal of soluble constituents, leaving a residual mass of weathered material containing ores. Which of the following minerals is/are formed in this manner?

a. Coal
b. Gypsum
c. Bauxite

  1. a, b and c
  2. b and c
  3. a and c
  4. a and b
  5. c only

Prize Money

15₹7 Crores
14₹1 Crore
13₹50,00,000
12₹25,00,000
11₹12,50,000
10₹6,40,000
9₹3,20,000
8₹1,60,000
7₹80,000
6₹40,000
5₹20,000
4₹10,000
3₹5,000
2₹2,000
1₹1,000