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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 ChoiceIs melting butter for popcorn a chemical or physical change?chemicalphysical
- 3. Multiple ChoiceIs bleaching your hair a physical or chemical change?physicalchemical
- 4. Multiple Choice
Is burning wood a chemical or physical change?chemicalphysical - 5. Multiple ChoiceIs hammering wood together to build a house a chemical or physical change?chemicalphysical
- 6. Multiple ChoiceA change in the size, shape, or state of matter.chemical changephysical changechemical reactionelectron change
- 7. Multiple ChoiceWhich of the following is NOT an example of a physical change?crumpled paperpencil sharpeningshrunken clothingsour milk
- 8. Multiple ChoiceKim puts an ice cube in a beaker and it melts. This is a good example of:a physical change.a chemical change.an experiment.an analysis.
- 9. Multiple ChoicePhotosynthesis is an example of aphysical changechemical change
- 10. Multiple ChoiceWhen you break a cracker into pieces it is aChemical changePhysical changeChemical WeatheringPhysical Weathering
- 11. Multiple Choicefood digested in the stomachphysical changechemical change
- 12. Multiple Choiceiron pipe rustsphysical changechemical change
- 13. Multiple Choicefireworks explodephysical changechemical change
- 14. Multiple ChoiceWhat happens when a piece of wood burns?A physical change takes place.A chemical change takes place.The wood loses its gravity.The wood loses its inertia.
- 15. Multiple ChoiceIs squeezing oranges to make orange juice a physical or chemical change?physicalchemical
- 16. Multiple ChoiceIs spoiling food a physical or chemical change?phyiscalchemical
- 17. Multiple ChoiceCutting your hair?Physical ChangeChemical Change
- 18. Multiple ChoiceRotting bananas?Physical ChangeChemical Change
- 19. Multiple ChoiceMelting a chocolate bar?Physical ChangeChemical Change
- 20. Multiple Choicewhat is the definition of physical change?any change that results in the formation of new chemical substances.rustingchanges affecting the form of a chemical substance, but not its chemical composition.any property that is measurable, whose value describes a state of a physical system
- 21. Multiple ChoiceWhich of the following is not a chemical property?rustingboilingrottingburning
- 22. Multiple ChoiceWhich of the following chemical symbols is incorrectly written?FEFeNNa
- 23. Multiple ChoiceWhich is an example of a physical property?ability to react with acidstate of matterflammabilityability to react with oxygen
- 24. Multiple ChoiceWhich type of property is the ability to conduct electricity?physical propertychemical property
- 25. Multiple ChoiceProperties that can be observed without trying to change the identity of the substance.PhysicalChemical
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