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 Form 1 Chemistry Topical Questions and Answers on Air and Combustion

The following set up of three test-tubes was used to investigate rusting of iron. Study it and answer the questions that follow.
rusting13420201043.png
a) Give a reason why rusting did not occur in the test-tube C
b) Aluminium is used to protect iron sheets from rusting. Explain two ways in which aluminium protects iron from rusting.

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