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Chemistry · Oct / Nov 2022 · Paper 12 · Question 12

5070Formulae

Which equation is correct for the reaction between carbon dioxide and magnesium hydroxide?

  1. ACO2 + Mg(OH)2 → MgCO3 + H2O
  2. BCO2 + 2Mg(OH)2 → 2MgCO3 + 2H2O
  3. C2CO2 + Mg(OH)2 → MgCO3 + H2O
  4. D2CO2 + Mg(OH)2 → 2MgCO3 + H2O

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Correct answer: A. CO2 + Mg(OH)2 → MgCO3 + H2O

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