Multiple choice general knowledge science & technology

Carbon occurs in nature in the purest form as

  1. Coal

  2. Graphite

  3. Diamond

  4. Carbon black
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Diamond is the purest natural form of carbon, with atoms arranged in a perfect tetrahedral crystal lattice structure. While graphite is also pure carbon, diamond has a more compact and perfect arrangement. Coal and carbon black contain significant impurities and are not pure carbon.

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