PractiseQuestion bank
Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.
Sign in to check answers. Your attempts build your mastery and error book.
12 questions
SA-OC-SA-0011 markL1 FoundationCalculatorSalts and solubility
Zinc oxide reacts with hydrochloric acid to make
Salam Academy Original Practice · Proposed mark scheme
SA-OC-SA-0021 markL1 FoundationCalculatorSalts and solubility
Nitric acid forms salts called
Salam Academy Original Practice · Proposed mark scheme
SA-OC-SA-0121 markL1 FoundationCalculatorSalts and solubility
All nitrates are
Salam Academy Original Practice · Proposed mark scheme
SA-OC-SA-0031 markL2 StandardCalculatorSalts and solubility
Which salt is insoluble in water?
Salam Academy Original Practice · Proposed mark scheme
SA-OC-SA-0041 markL2 StandardCalculatorSalts and solubility
Which chloride is insoluble?
Salam Academy Original Practice · Proposed mark scheme
SA-OC-SA-0051 markL2 StandardCalculatorPreparation methods
The best method to prepare potassium sulfate is
Salam Academy Original Practice · Proposed mark scheme
SA-OC-SA-0061 markL2 StandardCalculatorPreparation methods
The best method to prepare copper(II) sulfate is
Salam Academy Original Practice · Proposed mark scheme
SA-OC-SA-0071 markL2 StandardCalculatorPreparation methods
To make lead(II) sulfate, you could mix
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
Salam Academy Original Practice · Proposed mark scheme
SA-OC-SA-0091 markL2 StandardCalculatorPreparation methods
After precipitation, the solid salt should be
Salam Academy Original Practice · Proposed mark scheme
SA-OC-SA-0102 marksL2 StandardCalculatorSalts and solubility
CuO+H2SO4→CuSO4+H2O. What mass of CuSO4 (Mr=160) forms from 8.0 g CuO (Mr=80)? 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?
Salam Academy Original Practice · Proposed mark scheme