Question
Which of the following is the hardest mineral?
The correct answer is
Diamond
Diamond is the hardest naturally occurring mineral, scoring 10 on the Mohs hardness scale. It is composed of carbon atoms arranged in a strong tetrahedral structure, making it highly resistant to scratching and cutting.
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Important Questions from Chemistry
Common salt (NaCl) is not used as a raw material for preparation of which one of the following compounds?
Which one of the following is the chemical formula of Hypobromous acid?
Which one of the following is not used as a raw material in the manufacture of glass?
Which one of the following statements about dihydrogen (H 2) is not correct?
Reaction of quick lime (CaO) with water to produce slaked lime (Ca(OH) 2) is an example of
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