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O Level Chemistry Study Material: Certification Test 651

Chemical Symbols Learning App & e-Book: MCQ 651

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MCQ: 651

The formula of Calcium Hydrogen Carbonate indicates that for each ion of

  1. hydrogen carbonate, two ions of Ca are required
  2. Ca, two ions of hydrogen carbonate are required
  3. Ca, three ions of hydrogen carbonate are required
  4. CA, four ions of hydrogen carbonate are required

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