Which of these metals could be used in the sacrificial protection of iron?

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Gold

Copper

Lead

Aluminium

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Rust can be prevented by coating the iron object with paper.

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True

False

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Zinc is less reactive than iron.

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True

False

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Rust is a form of which compound?

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Correct Answer

Incorrect Answers

Iron dioxide

Iron sulphate

Iron chloride

Iron oxide

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Answer incorrect

Look at the slide below to work out the answer.