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Dobereiner's triads - class-XI

Question 1 of 32

According to the law of triads :

  1. the properties of the middle element were in between those of the other two members.
  2. three elements arranged according to increasing weights have similar properties.
  3. the elements can be grouped in the groups of six elements.
  4. every third element resembles the first element in periodic table.

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