Corrosion of metals
9.5What the syllabus asks of you
- State the conditions required for the rusting of iron and steel to form hydrated iron(III) oxide
- State some common barrier methods, including 4 Describe the use of zinc in galvanising as an painting, greasing and coating with plastic example of a barrier method and sacrificial
- Describe how barrier methods prevent rusting protection by excluding oxygen or water 5 Explain sacrificial protection in terms of the reactivity series and in terms of electron loss
Read the notes first
Chapter 9: Corrosion of metals
Drill this topic
Every question on Corrosion of metals, untimed, marked as you go.
Make a worksheet
Choose the years and how many questions, then print it with the answers on separate pages.
25 questions
1May / June 2026 · Paper 21 · Q27Show mark scheme →
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2Oct / Nov 2025 · Paper 21 · Q28Show mark scheme →
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3Oct / Nov 2025 · Paper 22 · Q27Show mark scheme →
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4May / June 2025 · Paper 21 · Q29Show mark scheme →
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5May / June 2025 · Paper 22 · Q27Show mark scheme →
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6Oct / Nov 2024 · Paper 21 · Q23Show mark scheme →
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7Oct / Nov 2024 · Paper 22 · Q25Show mark scheme →
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8May / June 2024 · Paper 21 · Q31Show mark scheme →
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10Oct / Nov 2023 · Paper 21 · Q26Show mark scheme →
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11Oct / Nov 2023 · Paper 22 · Q27Show mark scheme →
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12Oct / Nov 2023 · Paper 22 · Q28Show mark scheme →
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13May / June 2023 · Paper 22 · Q27Show mark scheme →
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14Oct / Nov 2022 · Paper 21 · Q27Show mark scheme →
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15Oct / Nov 2022 · Paper 22 · Q25Show mark scheme →
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16Oct / Nov 2022 · Paper 22 · Q27Show mark scheme →
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17May / June 2022 · Paper 21 · Q24Show mark scheme →
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18May / June 2022 · Paper 22 · Q30Show mark scheme →
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19Oct / Nov 2021 · Paper 21 · Q27Show mark scheme →
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20Oct / Nov 2021 · Paper 21 · Q29Show mark scheme →
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21Oct / Nov 2021 · Paper 22 · Q27Show mark scheme →
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22Oct / Nov 2021 · Paper 22 · Q28Show mark scheme →
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23Oct / Nov 2020 · Paper 21 · Q32Show mark scheme →
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24May / June 2020 · Paper 21 · Q32Show mark scheme →
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25May / June 2020 · Paper 22 · Q32Show mark scheme →
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