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Question bank

Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.

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12 questions

SA-OC-SA-0011 markL1 FoundationCalculatorSalts and solubility
Zinc oxide reacts with hydrochloric acid to make
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-SA-0021 markL1 FoundationCalculatorSalts and solubility
Nitric acid forms salts called
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-SA-0121 markL1 FoundationCalculatorSalts and solubility
All nitrates are
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-SA-0031 markL2 StandardCalculatorSalts and solubility
Which salt is insoluble in water?
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-SA-0041 markL2 StandardCalculatorSalts and solubility
Which chloride is insoluble?
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-SA-0051 markL2 StandardCalculatorPreparation methods
The best method to prepare potassium sulfate is
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-SA-0061 markL2 StandardCalculatorPreparation methods
The best method to prepare copper(II) sulfate is
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-SA-0071 markL2 StandardCalculatorPreparation methods
To make lead(II) sulfate, you could mix
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-SA-0081 markL2 StandardCalculatorPreparation methods
The excess solid is used in the "excess solid" method to
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-SA-0091 markL2 StandardCalculatorPreparation methods
After precipitation, the solid salt should be
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-SA-0102 marksL2 StandardCalculatorSalts and solubility
CuO+H2SO4→CuSO4+H2O\mathrm{CuO+H_2SO_4\rightarrow CuSO_4+H_2O}. What mass of CuSO4\mathrm{CuSO_4} (Mr=160M_r=160) forms from 8.08.0 g CuO (Mr=80M_r=80)?

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Salam Academy Original Practice · Proposed mark scheme
SA-OC-SA-0111 markL3 ExamCalculatorPreparation methods
Why is the filtrate heated only until crystals start to form, then left to cool?
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Salam Academy Original Practice · Proposed mark scheme