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1.1 Formulae, equations and hazards

1.1 Formulae, equations and hazards

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Question 156

Potassium reacts with water to form potassium hydroxide solution and hydrogen.

Complete the balancing of the equation for this reaction and add the state symbols for each substance.

………K(……… )+2H2O(……… )→………KOH(……… )+H2(……… ) \dots\dots\dots\text{K}(\dots\dots\dots) + 2\text{H}_2\text{O}(\dots\dots\dots) \rightarrow \dots\dots\dots\text{KOH}(\dots\dots\dots) + \text{H}_2(\dots\dots\dots) ………K(………)+2H2​O(………)→………KOH(………)+H2​(………)
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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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