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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
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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!!!!

User Dilraj Singh
by
8.4k points

2 Answers

0 votes
The answer is D.

When the color changes you can’t undo that making it a chemical bond
User Igniter
by
7.9k points
3 votes
The answer is C or D

Why i say C is because it only says the substance is slippery, no sign of chemical change

D - the answer “a permanent change in color” has the word “change” in it although it could be permanent color.

The answers most likely C.
User Juan Pablo Santos
by
8.8k points
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