Question

Compare physical and chemical changes.​

Answer 1

Answer:

Physical changes only change the appearance of a substance, not its chemical composition.Chemical changes cause a substance tochange into an entirely substance with a newchemical formula. Chemical changes are also known as chemical reactions.

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Answer 2

Answer:

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☛Compare physical and chemical changes.

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☛Physical changes only change the appearance of a substance, not its chemical composition.

while,

☛Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.

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#Learn more:

• A chemical change is a permanent change.

• A Physical change affects only physical properties i.e. shape, size, etc

• Physical changes only change the appearance of a substance, not its chemical composition.

• Chemical changes cause a substance to change into an entirely new substance with a new chemical formula.

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