Curriculum
Course: Combined Science 0653 — Chemistry
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Curriculum

Combined Science 0653 — Chemistry

1. Experimental Chemistry

0/19

2. The Particulate Nature of Matter

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3. Formulae, Stoichiometry and the Mole Concept

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4. Electrolysis

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5. Energy from Chemicals

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6. Chemical Reactions

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7. Acids, Bases and Salts

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8. The Periodic Table

0/19

9. Metals

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10. Air and the Environment

0/11

11. Organic Chemistry

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Quiz

4.1 Electrolysis – Check yourself

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Electrolysis IGCSE Chemistry check yourself quiz: free practice for IGCSE Chemistry. Work through this Electrolysis IGCSE Chemistry check yourself quiz and get instant feedback on every answer. If you get stuck, review the 4.1 Electrolysis — Notes lesson. More practice: IGCSE Chemistry — all units. Syllabus: Cambridge IGCSE Chemistry 0620 syllabus.

  • Questions count: 7
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
According to the comparison table in this lesson, what is the Anode half-eq. of Molten PbBr₂?
According to the comparison table in this lesson, what is the Anode half-eq. of Molten PbBr₂?
Products of electrolysis
2Br⁻ → Br₂ + 2e⁻
2Cl⁻ → Cl₂ + 2e⁻
4OH⁻ → O₂ + 2H₂O + 4e⁻
Cu → Cu²⁺ + 2e⁻
2.
Which statement best describes Electrolyte?
Which statement best describes Electrolyte?
Graphite or platinum.
Negative electrode; cations reduced.
Molten or aqueous ionic compound that conducts.
Decomposition of an ionic compound by electricity.
3.
According to the comparison table in this lesson, what is the Anode (+) of CuSO₄(aq), copper?
According to the comparison table in this lesson, what is the Anode (+) of CuSO₄(aq), copper?
Products of electrolysis
Bromine
Copper dissolves
Chlorine
Oxygen
4.
Which statement best describes Electrolysis?
Which statement best describes Electrolysis?
Positive electrode; anions oxidised.
Graphite or platinum.
Molten or aqueous ionic compound that conducts.
Decomposition of an ionic compound by electricity.
5.
Complete the statement: Cations are reduced at the ______.
Complete the statement: Cations are reduced at the ______.
cathode
Anode
Inert electrodes
Electrolysis
6.
Which step comes first in the sequence covered in this lesson?
Which step comes first in the sequence covered in this lesson?
Gain electrons (reduction)
Anions to anode
Lose electrons (oxidation)
Cations to cathode
7.
Which key term matches this description: "Positive electrode; anions oxidised."
Which key term matches this description: "Positive electrode; anions oxidised."
Anode
Electrolyte
Inert electrodes
Electrolysis
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Part of 4. Electrolysis — see every lesson and quiz in this unit.
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