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Chemical Effects of Current - 2 (Class X)

Question 1 of 15

Two faradays of electric current can produce

  1. 20 g of calcium from calcium sulphate
  2. 81 g of aluminium from aluminium oxide
  3. 48 g of magnesium from magnesium chloride
  4. 2 g of hydrogen gas from aqueous hydrogen chloride
  5. 35.5 g of chlorine gas from aqueous hydrogen chloride

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