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Question
One chemical test that would enable you to distinguish between the following pair of chemicals. Describe what happens with each chemical or state 'no visible reaction'.
Sodium sulphate solution and sodium chloride solution.
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Solution
| Sodium sulphate solution | Sodium chloride solution |
| When Sodium sulphate solution is treated with Barium chloride solution, a white precipitate is formed which is insoluble in all the mineral acids. | When Sodium chloride solution is treated with Barium chloride solution, no visible reaction is observed. |
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