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1.1 Formulae, equations and hazards

1.1 Formulae, equations and hazards

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Question 122

Concentrated nitric acid (HNO3\text{HNO}_3HNO3​) is a strong oxidizing agent. It is highly corrosive to skin and decomposes to produce toxic nitrogen dioxide (NO2\text{NO}_2NO2​) gas.

State one safety precaution, other than wearing a standard lab coat, that must be taken when handling concentrated nitric acid in a laboratory.

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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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