Class 10 Chemistry MCQs (Grade 10) From Textbook

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Class 10 Chemistry MCQs – Certification Test 255

Petroleum MCQ (Question 255) – Study App & e-Book Download

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MCQ: 255

Number of carbon atoms per molecule in bitumen are

  1. 14 to 20
  2. 20 to 50
  3. 50 to 70
  4. more than 70

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