Classify the following processes as either chemical or physical.

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asked Jul 27, 2021 in Chemistry Form 4 by anonymous

Heating copper (II) sulphate crystals	___________
Obtaining kerosene from crude oil	__________
Souring of milk	___________

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answered Jul 27, 2021 by anonymous

Heating copper (II) sulphate crystals	reversing chemical change
Obtaining kerosene from crude oil	Physical change
Souring of milk	Permanent chemical change