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PLEASE HELP HALF OF MY GRADE HAS TO BE COMPLETED IN AN HOUR!!!!!!
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PLEASE HELP HALF OF MY GRADE HAS TO BE COMPLETED IN AN HOUR!!!!!!

PLEASE HELP HALF OF MY GRADE HAS TO BE COMPLETED IN AN HOUR!!!!!!-example-1
User Diala
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1 Answer

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The answer is 1 3 and 4.

Rusting is an oxidation process.

Condensation is a phase change. That's not chemical.

Precipitates always indicate a chemical reaction

Oxidation is a chemical process. Change in color is always a chemical reaction.

User Ariadne
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