A color change happens during an experiment mixing two liquids. Is this a physical change or chemical change?
a.A color change always indicates a chemical change.
b.Color is a physical property, so it is only a physical change.
c.A color change can be from a physical change or chemical change.
d.A color change does not mean either a physical change or chemical change.

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sammytime2 sammytime2 · Answer 1 · 2017-05-18T01:42:56+02:00

C. because a color change can occur due to chemicals mixing, but it can also be a physical change because you can see it happen with your eyes.

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OlaMacgregor OlaMacgregor · Answer 2 · 2019-09-10T08:43:29+02:00

Answer: Option (c) is the correct answer.

Explanation:

When there will be no change in chemical composition of a substance then it is known as a physical change.

For example, when ink diffuses in water then it is a physical change because no new product has formed but a color change has taken place.

On the other hand, when there occurs change in chemical composition of a substance then it is known as a chemical change.

For example, formation of carbon dioxide gas from carbon and oxygen atom is a chemical change.

In a chemical change, color change may or may not happen as it depends on the reactivity of combining substances.

Thus, we can conclude that the statement a color change can be from a physical change or chemical change, is true.

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