SSC IB ACIO Grade II Mock Test 2023 General Science Chemistry Structure of Atom

Arrange the following substances in their order of increasing hardness:

  1. Gypsum
  2. Topaz
  3. Fluorite
  4. Feldspar

Select the correct answer using the code given below:

1
4-3-2-1
2
1-3-4-2
3
3-4-2-1
4
1-4-3-2
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