Question

Write an activity to find out nature of rust.​

Answer 1

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⟹ Place clean iron nails in each test-tube. Pour some water in test-tube-1, cork it. Pour water (boiled/distilled) in test-tube-2, add some oil and cork it. ... This shows rusting of iron takes place in the presence of air and moisture both...

Materials Required :-

⟹ Rust,Test tube,water,watch glass,blue and red litmus paper.

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Procedure :-

⟹ Collect a spoonful of rust and dissolve it in a little amount of water, shake the suspension and test with red and blue litmus paper.

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Observation :-

⟹ Red litmus paper turns blue.

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Conclusion :-

⟹ Iron oxide (rust) is basic in nature.

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