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WorksheetsChemical and Physical Reactions
Total questions: 7
Worksheet time: 7mins
Name
Class
Date
1.
Which of the following would be classified as a physical change?
a)
Vinegar and baking soda are mixed together and create bubbles
b)
rust forms on a car
c)
a girl bleaches her hair
d)
sugar is dissolved in water
2.
What is it called when two liquids are mixed together and form a solid?
a)
Precipitate
b)
Chunks
c)
Frozen
d)
Ice
3.
During a ___________________ reaction the substance changes.
a)
physical
b)
chemical
c)
color
d)
melting
4.
Which is NOT evidence that a chemical change has happened?
a)
melting
b)
bubbles
c)
precipitate forms
d)
heat
5.
Which is classified as a chemical change?
a)
iron corriding
b)
getting a haircut
c)
painting a wall
d)
boiling water
6.
Baking a cake is an example of a ___________________ change because...
a)
chemical, the eggs, flour and other ingredients form a new substance
b)
physical, the eggs, flour and other ingredients form a new substance
c)
physical, all the ingredients have not changed
d)
chemical, the ingredients take on a new shape
7.
Which is classified as NOT chemical change?
a)
metal rusting
b)
egg frying
c)
mashing up bananas
d)
lighting a match
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