Class 8 Science MCQs (Grade 8) From Textbook

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Class 8 Science MCQs – Certification Test 18

Igneous Rocks MCQs (Question 18) – App & e-Book Download

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MCQ: 18

Obsidian is rich in

  1. silica
  2. iron
  3. cobalt
  4. calcium

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Igneous Rocks Textbook Tests – Class 8 Science App & eBook MCQs

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8th Grade Science MCQs App (Android & iOS)

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