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SQA Higher Chemistry Sulphates and Halides
This page covers the following topics:
1. Identification of sulphate solutions
2. Identification of halides
Sulphate ions in solution, can be detected using barium chloride solution.
Halide ions are the ions of the halogens. Halide ions in solution are detected using silver nitrate solution.
1
What are the halogens?
2
What is the precipitate that forms?
3
What colour precipitate do bromide ions give? What is this precipitate?
4
What colour precipitate do chloride ions give? What is this precipitate?
5
Why can we not used sulphuric acid when adding drops of acid to the original solution?
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