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College Chemistry MCQs (College Level) From Textbook

College Chemistry MCQs – Certification Test 696

Crystals and Classification Quiz (Question 696) – Learning App & e-Book Download

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MCQ 696: The third angle in the hexagonal system of crystals make an angle of:

  1. 60 °
  2. 50 °
  3. 90 °
  4. 30 °