General Studies · Engineering Materials
Arrange the following materials in increasing order of their hardness based on the Mohs scale / general hardness criteria.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Common glass < Aluminium oxide < Diamond < Hardened steel
- 2Common glass < Hardened steel < Aluminium oxide < Diamond✓
- 3Aluminium oxide < Common glass < Hardened steel < Diamond
- 4Common glass < Aluminium oxide < Hardened steel < Diamond
Correct answer
Common glass < Hardened steel < Aluminium oxide < Diamond
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