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
Suppose a rod is given a negative charge by rubbing it with wool. Which one of the following statements is correct in this case?
The raw materials used for the manufacture of Portland cement are
In which one of the following folds is the axial plane found to be virtually horizontal?
Which one of the following is the chemical formula of Washing Soda?
How is carbon black obtained?
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