Mathematics, 10.12.2020 18:00 luvberries2276
7. Which of these is not an observation that a chemical change has occurred?
A. The temperature changes
B. A gas is produced (bubbling)
C. The substance is slippery
D. A permanent change in color
PLEASE HELP
Answers: 2
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7. Which of these is not an observation that a chemical change has occurred?
A. The temperature cha...
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