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O Level Chemistry MCQs – Certification Test 598

Atoms and Elements MCQs (Question 598) – Learning App & e-Book Download

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MCQ: 598

Other than Carbon (C), Nitrogen (N2), Oxygen (O2), and Hydrogen (H2), another element of a tree is

  1. Calcium
  2. Chromium
  3. Nickel
  4. Phosphorus

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