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7.2.2 Reactions of the halogens
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Testing for chlorine

Testing for chlorine

Chlorine is tested using damp blue litmus paper. The paper must be damp so that chlorine can dissolve before reacting.

7.2.2 Reactions of the halogens Lesson

  1. GCSE
  2. /Chemistry
  3. /7.2.2 Reactions of the halogens

Step-by-step lessons on Edexcel GCSE Chemistry 7.2.2 Reactions of the halogens. Each one builds up to exam-style questions. Nail the core quantitative topics — moles, balancing equations and calculations — early on, since they underpin higher-tier questions across every paper and topic.

Lessons