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1.1 Formulae, equations and hazards

1.1 Formulae, equations and hazards

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Question 47

A student performs a titration to determine the exact concentration of a solution of potassium hydroxide.

The potassium hydroxide solution is titrated against dilute hydrochloric acid.

The student is provided with a burette, a pipette with a safety filler, a conical flask, a white tile, and an indicator.

State one safety precaution the student should take when handling the potassium hydroxide solution and dilute hydrochloric acid.

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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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