Millionaire Mode

General Science - 4

Question 1 of 25

An electric kettle used for boiling hard water has a white scale deposited on its heating element. This scale consists of

  1. sugar
  2. common salt
  3. carbonates of calcium and magnesium
  4. sodium carbonate

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