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Class 9 Chemistry MCQs (Grade 9) From Textbook

Class 9 Chemistry MCQs – Certification Test 169

Allotropes Trivia (Question 169) – Study App & e-Book Download

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MCQ 169: In graphite, the carbon atoms are arranged in layers of:

  1. pentagonal arrays
  2. heptagonal arrays
  3. octagonal arrays
  4. hexagonal arrays

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