Chemistry, 30.10.2020 18:20 memberpabc
An experiment is performed in which a crystalline substance is added to a beaker filled with room temperature water. The following observations are made:
I. The crystals dissolve
II. A precipitate is formed.
III. The bottom of the beaker feels warm to the touch.
IV. Bubbles begin forming within the water.
All of the observations are evidence of a chemical change EXCEPT -
Group of answer choices
I.
II.
III.
IV.
Answers: 3
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