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- 1. Multiple Choice
When a substance goes through a physical change, the substance itself is ________ changed.
always
NOT
sometimes
expotentionally
- 2. Multiple Choice
A chemical change is a change in which one or more ______ substances are formed.
new
old
same
identical
- 3. Multiple Choice
A burning wick on a candle goes through a chemical change.
True
False
- 4. Multiple Choice
A ______________ property is something that describes an individual object or substance.
chemical
physical
property
reactive
- 5. Multiple Choice
A ________ property is something that describes the ability of a substance to react with other materials and form new ones.
physical
chemical
reactive
stability
- 6. Multiple Choice
What is released when sodium comes in contact with water?
air
water
heat
ice
- 7. Multiple Choice
Sodium combines with chlorine to form ____________.
salt
pepper
sugar
neon gas
- 8. Multiple Choice
Which element is more reactive? Chlorine or Neon?
Chlorine
Neon
- 9. Multiple Choice
Which element is more stable? Chlorine or Neon?
Chlorine
Neon
- 10. Multiple Choice
Stability is the opposite of ___________.
stability
reactivity
decomposition
synthesis
- 11. Multiple Choice
_______________ is the ability of a substance to resist going through a chemical change.
Reactivity
Stability
Synthesis
Decomposition
- 12. Multiple Choice
How many different chemical reactions are possible?
One
Two
Three
Millions
- 13. Multiple Choice
Synthesis means " _______________"
taking a part
putting together
breaking up
moving forward
- 14. Multiple Choice
Decomposition means " __________ "
putting together
breaking up
moving forward
moving backwards
- 15. Multiple Choice
________ can start or speed up a chemical reaction
Ice
Heat
- 16. Multiple Choice
Spoiled milk is an example of a chemical reaction
True
False
- 17. Multiple Choice
Freezing food will slow down a chemical reaction.
True
False
- 18. Multiple Choice
______________ light starts a chemical reaction that turns paper brown and crumbly.
Fluoresence
Ultraviolet
White
Black
- 19. Multiple Choice
Dried fruit will last longer than fresh fruit because dried fruit has less water.
True
False
- 20. Multiple Choice
Removing ______ can slow or stop a chemical reaction.
heat
sodium
chlorine
hydrogen
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