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1.1 Formulae, equations and hazards

1.1 Formulae, equations and hazards

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Question 113

In semiconductor fabrication, silane gas is a severe hazard because it spontaneously ignites in the presence of oxygen to produce solid silicon dioxide and water vapour.

Write the word equation for this reaction.

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Markscheme

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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