Millionaire Mode

Uses of aldehydes and ketones - class-XII

Question 1 of 18

The percentage of formaldehyde in formalin is:

  1. $40$%
  2. $30$%
  3. $20$%
  4. $10$%

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