Millionaire Mode

Corrosion and rancidity - class-IX

Question 1 of 59

Which of the following methods is not used to coat metallic elements to prevent corrosion?

  1. Electroplating
  2. Metal cladding
  3. Metal spraying
  4. None of the above

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