Subsection 4.1. Electrolysis for Chemistry, O Level - revisedeck

4.1. Electrolysis

A subsection of Chemistry, 5070, through 4. Electrochemistry

Listing 10 of 218 questions

An aqueous mixture of copper(nitrate and silver nitrate is electrolysed with pure copper electrodes. Which ionic half-equation describes the change occurring at the anode?

5070_w24_qp_12

MCQ

2024

Paper 1, Variant 2

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The equation for one method of making copper carbonate is shown...

5070_s06_qp_1

MCQ

2006

Paper 1, Variant 0

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What is the ionic equation for the reaction between zinc and aqueous copper(sulfate?

5070_s09_qp_1

MCQ

2009

Paper 1, Variant 0

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What happens when zinc foil is placed in an aqueous solution of copper(sulfate?

5070_s11_qp_11

MCQ

2011

Paper 1, Variant 1

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What happens when zinc foil is placed in an aqueous solution of copper(sulfate?

5070_s11_qp_12

MCQ

2011

Paper 1, Variant 2

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Which gas could be used to convert copper(oxide to copper?

5070_s13_qp_11

MCQ

2013

Paper 1, Variant 1

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Which negative ions are present in aqueous copper(sulfate?

5070_s19_qp_11

MCQ

2019

Paper 1, Variant 1

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What is the best method to prepare a pure sample of copper(sulfate?

5070_s19_qp_11

MCQ

2019

Paper 1, Variant 1

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Which negative ions are present in aqueous copper(sulfate?

5070_s19_qp_12

MCQ

2019

Paper 1, Variant 2

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Copper(sulfate is prepared by reacting excess copper(carbonate with dilute sulfuric acid. CuCO3+ H2SO4→ CuSO4+ CO2+ H2OWhich two pieces of apparatus are needed to obtain copper(sulfate crystals by this reaction?

5070_s20_qp_11

MCQ

2020

Paper 1, Variant 1

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Questions Discovered

218