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- 1. Multiple ChoiceWhich of the following is a sign that a chemical reaction has occurred?change in shapemeltingformation of a gasdissolving
- 2. Multiple Choice
Is melting butter for popcorn a chemical or physical change?
chemical
physical
- 3. Multiple ChoiceWhich of the following is NOT an example of a physical change?crumpled paperpencil sharpeningshrunken clothingrust
- 4. Multiple ChoiceFreezing Juice?Physical ChangeChemical Change
- 5. Multiple ChoiceA change where one or more new substances are created.Physical ChangeChemical Change
- 6. Multiple Choice
Change in color is a physical change.
True
False
- 7. Multiple ChoiceFizzing, foaming, and burning are all examples ofChemical changePhysical change
- 8. Multiple Choice
Rust on an iron bar is an example of chemical change.
True
False
- 9. Multiple Choice
When you break a cracker into pieces it is a...
Chemical change
Physical change
- 10. Multiple ChoicePhotosynthesis is an example of aphysical changechemical change
- 11. Multiple ChoiceDissolving sugar in water is an example of aphysical changechemical change
- 12. Multiple ChoiceDigesting your food is an example ofchemical changephysical change
- 13. Multiple Choice
The melting of wax is an example of a
chemical change
physical change
- 14. Multiple Choice
Cutting a log in to small pieces is a chemical change.
true
false
- 15. Multiple ChoiceWhich is an example of a chemical reaction?paper cut into small pieceschocolate melting in a panflour and sugar mixed in a bowlcookies baking in an oven
- Answer choicesTagsAnswer choicesTags