PractiseQuestion bank
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12 questions
SA-AC-EZ-0011 markL1 FoundationCalculatorCharge and Faraday
Calculate the charge passed when 0.200 A flows for 5.00 minutes.
Salam Academy Original Practice · Proposed mark scheme
SA-AC-EZ-0081 markL1 FoundationCalculatorCharge and Faraday
The Faraday constant is
Salam Academy Original Practice · Proposed mark scheme
SA-AC-EZ-0023 marksL2 StandardCalculatorProduct quantities
A current of 2.00 A passes through CuSO₄(aq) for 965 s. Calculate the mass of copper deposited (g). Ar Cu 63.5, F = 96 500. Salam Academy Original Practice · Proposed mark scheme
SA-AC-EZ-0042 marksL2 StandardCalculatorCharge and Faraday
Calculate the Avogadro constant (×10²³ mol⁻¹) from F = 96 500 C mol⁻¹ and e = 1.60 × 10⁻¹⁹ C.
Salam Academy Original Practice · Proposed mark scheme
SA-AC-EZ-0061 markL2 StandardCalculatorProducts
During electrolysis of concentrated NaCl(aq), the product at the cathode is
Salam Academy Original Practice · Proposed mark scheme
SA-AC-EZ-0071 markL2 StandardCalculatorProducts
During electrolysis of very dilute NaCl(aq), the main anode product is
Salam Academy Original Practice · Proposed mark scheme
SA-AC-EZ-0091 markL2 StandardCalculatorProduct quantities
The same charge passes through Ag⁺(aq) and Cu²⁺(aq) cells in series. The ratio of moles Ag : Cu deposited is
Salam Academy Original Practice · Proposed mark scheme
SA-AC-EZ-0111 markL2 StandardCalculatorProducts
During electrolysis of CuSO₄(aq) with inert electrodes, the cathode product is
Salam Academy Original Practice · Proposed mark scheme
SA-AC-EZ-0121 markL2 StandardCalculatorCharge and Faraday
To find L by electrolysis, you must measure
Salam Academy Original Practice · Proposed mark scheme
SA-AC-EZ-0033 marksL3 ExamCalculatorProduct quantities
How long (s) must a 0.500 A current flow to deposit 1.08 g of silver? (Ar Ag 108) Salam Academy Original Practice · Proposed mark scheme
SA-AC-EZ-0053 marksL3 ExamCalculatorProduct quantities
What volume (cm³ at r.t.p.) of oxygen is produced at the anode when 0.400 A flows for 9650 s through dilute H₂SO₄?
Salam Academy Original Practice · Proposed mark scheme
SA-AC-EZ-0103 marksL3 ExamCalculatorProduct quantities
What mass (g) of aluminium is produced by 1.00 × 10⁵ C? (Ar Al 27.0) Salam Academy Original Practice · Proposed mark scheme