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shepuryov [24]
3 years ago
5

If the chemical properties of a substance remain unchanged and the appearance or shape of an substance changes it is called a

Chemistry
2 answers:
Akimi4 [234]3 years ago
5 0

Answer:

B

Explanation:

physical change is the answer I hope

Morgarella [4.7K]3 years ago
3 0

Answer:

A

Explanation:

it is A because i am really smart

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Answer:

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Explanation:

Given the empirical formula of a molecule, the he the quotient of the molecular mas and and the empirical mass=constant.

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Therefore, the molecular formula is (C₂H₂O)₂=C₄H₄O₂

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Explanation:

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c

Explanation:

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