Chemistry Unit 2 Lesson 2 Physical Change vs. Chemical Change Answers
1. Which property of matter is an extensive, rather than an intensive, property of matter?
Answer - Mass
2. Why is it difficult to classify dissolving as simply a physical or a chemical change?
Answer - Some substances keep the same molecular structure when they break down, and others do not.
3. While camping, you make a snack over a campfire. You roast a marshmallow over the campfire...etc...etc Which statement correctly identifies a part of this process as a physical or a chemical change?
Answer - The toasting of the marshmallow is a chemical change.
4. Which term best describes a milkshake that contains pieces of chocolate cookies?
Answer - heterogeneous mixture
5. Which list only includes terms that describe water?
Answer - compound, molecule, pure substance
100% Hope this helps!
Also, just an FYI, never trust the letter answers for these type of QC's. They are different for everyone.
1 answer