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1.1 Formulae, equations and hazards

1.1 Formulae, equations and hazards

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Question 70

When calcium carbonate reacts with dilute hydrochloric acid, calcium chloride, water, and carbon dioxide gas are formed.

Complete the balanced chemical equation for this reaction.

CaCO3+………HCl→CaCl2+H2O+……… \text{CaCO}_3 + \dots\dots\dots \text{HCl} \rightarrow \text{CaCl}_2 + \text{H}_2\text{O} + \dots\dots\dots CaCO3​+………HCl→CaCl2​+H2​O+………
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1.1 Formulae, equations and hazards Questions

  1. GCSE
  2. /Chemistry
  3. /1.1 Formulae, equations and hazards

230 exam-style questions on Edexcel GCSE Chemistry 1.1 Formulae, equations and hazards, covering 1.1.1 Formulae, word and balanced equations, 1.1.2 Balanced ionic equations, and 1.1.3 Hazard symbols and risk in practical work. Each one has a worked solution and a mark scheme showing where the marks go.

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