Solubility
18 past-paper questions on Solubility · examined 2020–2025.
20258 questions
Which pair of substances are both insoluble in water?
Which pair of substances are both insoluble in water?
State one extra measurement the student must make to calculate the solubility.
Use the results to calculate the solubility of ammonium chloride at 60 °C in g / dm3.
Explain why the method the student uses gives a higher value for the solubility than the true value.
Estimate the solubility of ammonium chloride at 20 °C.
Suggest why the method used for ammonium chloride is not suitable for determining the solubility of ammonia.
The student does not make an important measurement. State the measurement that the student needs to make.
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