Chemistry, asked by justaintelligentboy, 12 hours ago

Give a reason why - a) Heating a platinum wire is a reversible change but, heating a magnesium wire is an irreversible change. b] Addition of zinc nitrate to water is a physical change but, addition of zinc to dilute nitric acid is a chemical change. c] Rusting of iron is a chemical change but, magnetization of iron is a physical change ​

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Answered by manjappahosur59424
0

Answer:

sorry I don't know answer

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