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- 1. Multiple Choice
A green powder is heated & a gas is given off while it turns to a black solid. This describes
Physical Change
Chemical Change
Change in State
Change in Temperature
- 2. Multiple Choice
A Chemical Change is also known as what?
Physical Change
Physical Property
Chemical Reaction
Chemical Property
- 3. Multiple Choice
Which of the following could indicate that a chemical change took place?
Change in color
Production of Energy
Formation of Gas
All are correct
- 4. Multiple Choice
The formation of a solid when two liquids combine is called?
Solidification
Freezing
Precipitate
Solubility
- 5. Multiple Choice
The difference between a Physical change and a Chemical change is…
Physical change is only a change to the outside appearance.
Chemical change is when matter is changed into something new.
Atoms are rearranged in chemical changes & not in physical.
All are correct.
- 6. Multiple Choice
What does a chemical change result in?
A change in state of the substance (ex. liquid to solid)
A change in texture of the substance.
A change in the way atoms are bonded to each other.
A change in the appearance of the substance.
- 7. Multiple Choice
Which type of change is most often easily reversed?
Chemical
Physical
Both a physical and chemical change.
Neither a physical or chemical change.
- 8. Multiple Choice
Identify what type of change happening in the picture below...
Chemical Change
Physical Change
Endothermic Reaction
Exothermic Reaction
- 9. Multiple Choice
Identify what type of change happening in the picture below...
Chemical Change
Physical Change
Endothermic Reaction
Exothermic Reaction
- 10. Multiple Choice
Identify what type of change happening in the picture below...
Chemical Reaction
Physical Change
Change in State
Change in appearance only
- 11. Multiple Choice
If the chemical properties of a substance remain unchanged & the appearance or shape of an substance changes it is a...
Chemical Change
Physical Change
Both a physical and chemical change.
Neither a physical or chemical change.
- 12. Multiple Choice
Which of the following is an example of a physical change?
A glass falling and shattering on the floor.
Baking a birthday cake.
Burning a piece of paper.
Baking soda and vinegar mixing together.
- 13. Multiple Choice
When a new substance is formed with different properties than the original substance it is called a...
Chemical change
Physical change
Change in State
Change in appearance only.
- 14. Multiple Choice
Which type of change are irreversible?
Chemical Changes
Physical Changes
Changes in State
Changes in Temperature
- 15. Multiple Choice
Which is not a clue that could indicate a chemical change has occurred?
Change in color
Change in shape
Release of energy
Formation of an odor
- 16. Multiple Choice
During Chemical Reactions, the new substances created are called?
Precipitate
Corrosion
Reactants
Products
- 17. Multiple Choice
During Chemical Reactions, the substances that are used are called?
Precipitate
Corrosion
Reactants
Products
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