Millionaire Mode

Acids and Bases

Question 1 of 5

For descaling boilers, ________ is used in industries for removing deposits from the inside of boilers.

  1. nitric acid
  2. dilute hydrochloric acid
  3. sodium hydroxide
  4. concentrated hydrochloric acid
  5. concentrated sulphuric acid

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