Explain : Chemical or Physical
You forgot to dry the bread knife
when you washed it and reddish-
brown spots appeared on it.
You forgot to dry the bread knife
when you washed it and reddish-
brown spots appeared on it.
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Answer:
Chemical Change
Explanation:
When the iron is exposed to air and moisture, rust formation takes place. Rust is nothing but Iron Oxide; a new substance formed out of the reaction. Hence, rusting of iron is a chemical change.
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