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The Chemistry Issues in Science

Question 1 of 15

Which of the following is a chemical reaction?

  1. Dissolving sugar in water
  2. Boiling water
  3. Melting ice
  4. Condensation of water vapor

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