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O Level Chemistry MCQs – Certification Test 829

Chemical and Ionic Equations Trivia (Question 829) – Study App & e-Book Download

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MCQ: 829

MgCO3 + HCl reacts to form carbonic acid, which decomposes into

  1. water
  2. CO2
  3. gases
  4. salts

Chemical & Ionic Equations Placement Tests – O Level Chemistry App & e-Book Trivia

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Chemical and Ionic Equations Trivia App (iOS & Android)

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