1. Which sign is NOT for a chemical change?

2 answers:

lisabon 2012 [21]2 years ago

6 0

Hi!
During a chemical reaction, some of the basic signs that a chemical reaction is occurring is a color change and heat / light also burning . You can clearly see these changes happening

But changes in volume is a physical property, not a chemical.

I hope this helps!

IRINA_888 [86]2 years ago

4 0

B.Change in volume Because if it Changes colors or heats up that means a chemical reaction is happening or has happend

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