Chemistry, 08.12.2020 14:00 jocelynn2379

A student added 5 grams of calcium chloride, a white solid substance, to 15 grams of water at 22° C. Several observations were made and the student inferred that a chemical reaction occurred.
Which observation best supports the student's inference that a chemical reaction occurred?

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A student added 5 grams of calcium chloride, a white solid substance, to 15 grams of water at 22° C....

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A student added 5 grams of calcium chloride, a white solid substance, to 15 grams of water at 22° C. Several observations were made and the student inferred that a chemical reaction occurred. Which observation best supports the student's inference that a chemical reaction occurred?

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Another question on Chemistry

A student added 5 grams of calcium chloride, a white solid substance, to 15 grams of water at 22° C. Several observations were made and the student inferred that a chemical reaction occurred.
Which observation best supports the student's inference that a chemical reaction occurred?