Physical & Chemical Changes Video Lessons

Concept: Physical Changes

# Problem: Which of the following does NOT indicate that a chemical change may have taken place?A. fracture formationB. gas productionC. precipitate formationD. energy transfer

###### FREE Expert Solution

We’re being asked which of the following does NOT indicate that a chemical change may have taken place

Let’s first define a physical change and a chemical change.

Physical change → there is a change in a matter as it goes from one physical state to another.

Chemical change → atoms rearrange themselves to create a new substance

Now, let’s take a look at each condition:

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###### Problem Details

Which of the following does NOT indicate that a chemical change may have taken place?

A. fracture formation

B. gas production

C. precipitate formation

D. energy transfer