Chemistry · May / June 2026 · Paper 11 · Question 28
5070Water
A solution of sodium chloride in water is tested with anhydrous copper(II) sulfate and anhydrous cobalt(II) chloride. The boiling point of the solution at 1 atm pressure is also measured. Which row is correct?
- Ablue to pink | white to blue | 100
- Bblue to pink | white to blue | >100
- Cwhite to blue | blue to pink | 100
- Dwhite to blue | blue to pink | >100
As printed in the paper
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Correct answer: D. white to blue | blue to pink | >100
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