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Which example shows a physical change taking place?
food spoiling
nails rusted
Ice melting
Mixing two liquids to make a solid
physical change
A precipitate formed
Chemical Reaction
The substance melts
Which example indicates a chemical reaction occurred?
food spoiling
nails rusted
Ice melting
Mixing two liquids to make a solid
physical change
A precipitate formed
Chemical Reaction
The substance melts
Matter can undergo both chemical and physical changes. What indicates that the change was definitely chemical?
food spoiling
nails rusted
Ice melting
Mixing two liquids to make a solid
physical change
A precipitate formed
Chemical Reaction
The substance melts
Which example shows a change in a state of matter?
food spoiling
nails rusted
Ice melting
Mixing two liquids to make a solid
physical change
A precipitate formed
Chemical Reaction
The substance melts
What would the breaking up of a large rock into small rocks be considered?
food spoiling
nails rusted
Ice melting
Mixing two liquids to make a solid
physical change
A precipitate formed
Chemical Reaction
The substance melts
A reaction occurs in a beaker of fluid, and a white substance settles to the bottom. This precipitate is evidence that what process has occurred?
food spoiling
nails rusted
Ice melting
Mixing two liquids to make a solid
physical change
A precipitate formed
Chemical Reaction
The substance melts
Which process BEST illustrates elements combing to make a new compound?
food spoiling
nails rusted
Ice melting
Mixing two liquids to make a solid
physical change
A precipitate formed
Chemical Reaction
The substance melts
Two basic types of changes occur in chemistry: physical and chemical. Which examples represents a chemical change?
food spoiling
nails rusted
Ice melting
Mixing two liquids to make a solid
physical change
A precipitate formed
Chemical Reaction
The substance melts
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