Subsection 9.5. Corrosion of metals for Chemistry, IGCSE - revisedeck

9.5. Corrosion of metals

A subsection of Chemistry, 0620, through 9. Metals

Listing 10 of 132 questions

Mild steel is galvanised to prevent corrosion of the iron. Which statements about galvanising are correct?

0620_s22_qp_21

MCQ

2022

Paper 2, Variant 1

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Which process uses sacrificial protection to prevent steel from rusting?

0620_s22_qp_22

MCQ

2022

Paper 2, Variant 2

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A magnesium block is attached to iron to prevent it from rusting. Which statement about this method of rust prevention is correct?

0620_s22_qp_23

MCQ

2022

Paper 2, Variant 3

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Which substances in the air are needed for iron to rust?

0620_s23_qp_11

MCQ

2023

Paper 1, Variant 1

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Which compound is formed when iron rusts?

0620_s23_qp_12

MCQ

2023

Paper 1, Variant 2

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Which statement about rusting is correct?

0620_s23_qp_13

MCQ

2023

Paper 1, Variant 3

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Which compound is formed when iron rusts?

0620_s23_qp_22

MCQ

2023

Paper 2, Variant 2

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Blocks of magnesium are attached to the bottom of a steel boat to prevent rusting. Which equation describes a change that prevents the steel from rusting?

0620_s23_qp_23

MCQ

2023

Paper 2, Variant 3

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Which statement about the rusting of iron is correct?

0620_s24_qp_13

MCQ

2024

Paper 1, Variant 3

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Iron rusts in the presence of oxygen and water. Which statements about the rusting of iron are correct?

0620_s24_qp_21

MCQ

2024

Paper 2, Variant 1

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Questions Discovered

132