PractiseQuestion bank
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12 questions
SA-AC-G8-0011 markL1 FoundationCalculatorThermal stability
Which carbonate decomposes at the lowest temperature?
Salam Academy Original Practice · Proposed mark scheme
SA-AC-G8-0061 markL1 FoundationCalculatorSolubility
Which is least soluble in water?
Salam Academy Original Practice · Proposed mark scheme
SA-AC-G8-0021 markL2 StandardCalculatorThermal stability
Thermal stability of group 2 carbonates increases down the group because the cation
Salam Academy Original Practice · Proposed mark scheme
SA-AC-G8-0031 markL2 StandardCalculatorThermal stability
Heating magnesium nitrate produces
Salam Academy Original Practice · Proposed mark scheme
SA-AC-G8-0042 marksL2 StandardCalculatorThermal stability
Calculate the mass (g) of CO₂ released when 8.40 g of MgCO₃ (Mr 84.0) fully decomposes. Salam Academy Original Practice · Proposed mark scheme
SA-AC-G8-0071 markL2 StandardCalculatorSolubility
Group 2 hydroxides
Salam Academy Original Practice · Proposed mark scheme
SA-AC-G8-0091 markL2 StandardCalculatorThermal stability
Charge density of an ion is highest for
Salam Academy Original Practice · Proposed mark scheme
SA-AC-G8-0101 markL2 StandardCalculatorThermal stability
The brown gas from heating a group 2 nitrate is
Salam Academy Original Practice · Proposed mark scheme
SA-AC-G8-0111 markL2 StandardCalculatorSolubility
Acidified BaCl₂ is used to test for
Salam Academy Original Practice · Proposed mark scheme
SA-AC-G8-0053 marksL3 ExamCalculatorThermal stability
Calculate the total volume of gas (cm³ at r.t.p.) produced when 0.0200 mol of Ca(NO₃)₂ decomposes.
Salam Academy Original Practice · Proposed mark scheme
SA-AC-G8-0081 markL3 ExamCalculatorSolubility
Sulfates become less soluble down group 2 mainly because
Salam Academy Original Practice · Proposed mark scheme
SA-AC-G8-0121 markL3 ExamCalculatorThermal stability
Lithium carbonate decomposes more easily than other group 1 carbonates because
Salam Academy Original Practice · Proposed mark scheme