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O Level Chemistry Cerification Guide: Certification Test 619

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MCQ: 619

The formula of carbonic acid indicates that for

  1. each ion of Carbon, two ions of hydrogen are required
  2. each ion of H, two carbonate ions are required
  3. carbonate ion, two ions of hydrogen are required
  4. two carbonate ions, three ions of Hydrogen are required
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Chemical Symbols Cerification Guide: O Level Chemistry App & eBook MCQ

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