teresaduggan1433
21.08.2021 •
Chemistry
Jill needs to test her pool to make sure it has enough chlorine in it. She put water in her test tube and then added 5 drops of the test solution. The water turned light pink. This indicates a ___. physical change, because color is a physical property. physical change, because the indicator only changed colors slightly. chemical change, because adding the solution caused the unexpected color change. chemical change, because ALL color changes indicate a chemical change.
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Ответ:
For example
Sodium Hydroxide+Hydrochloric acid———Sodium chloride +Water