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Which image represents the chemical formula C2H5OH?
A. Z
B. W
C. Y
D. X
Answers: 3
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Awhite powder is added to a solution. the images show observations made before the powder is added, just after the powder has been added, and a little while later. (the liquid in the small beaker is phenol red solution.) what evidence shows that a chemical change has taken place?
Answers: 1
Which image represents the chemical formula C2H5OH?
A. Z
B. W
C. Y
D. X...
A. Z
B. W
C. Y
D. X...
Mathematics, 08.04.2020 19:14