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Which best describes a substance that changes from a liquid to a solid?
The heated air contracts as a physical change occurs.
white sugar + clear acid = black solid
The substance undergoes a physical change.
physical change
change of state
production of a solid
polarity
chemical change in which the ice is less dense than the liquid water
A sea creature releases a liquid into the ocean that reacts with the water to form a seashell. Which process does this represent?
The heated air contracts as a physical change occurs.
white sugar + clear acid = black solid
The substance undergoes a physical change.
physical change
change of state
production of a solid
polarity
chemical change in which the ice is less dense than the liquid water
Liquids placed in a beaker will settle in specific layers. Which physical property of matter does this illustrate?
The heated air contracts as a physical change occurs.
white sugar + clear acid = black solid
The substance undergoes a physical change.
physical change
change of state
production of a solid
polarity
chemical change in which the ice is less dense than the liquid water
Which occurs when a precipitate forms during a chemical reaction?
The heated air contracts as a physical change occurs.
white sugar + clear acid = black solid
The substance undergoes a physical change.
physical change
change of state
production of a solid
polarity
chemical change in which the ice is less dense than the liquid water
Which best describes the type of change that occurs when liquid water freezes to become ice?
The heated air contracts as a physical change occurs.
white sugar + clear acid = black solid
The substance undergoes a physical change.
physical change
change of state
production of a solid
polarity
chemical change in which the ice is less dense than the liquid water
When water boils, water vapor is produced and escapes into the air. Which best describes this change?
The heated air contracts as a physical change occurs.
white sugar + clear acid = black solid
The substance undergoes a physical change.
physical change
change of state
production of a solid
polarity
chemical change in which the ice is less dense than the liquid water
Which demonstrates a chemical change?
The heated air contracts as a physical change occurs.
white sugar + clear acid = black solid
The substance undergoes a physical change.
physical change
change of state
production of a solid
polarity
chemical change in which the ice is less dense than the liquid water
A marshmallow is made mostly of sugar and air. When heated in a microwave oven, a marshmallow increases in size to nearly twice its normal volume but does not produce any new subst
The heated air contracts as a physical change occurs.
white sugar + clear acid = black solid
The substance undergoes a physical change.
physical change
change of state
production of a solid
polarity
chemical change in which the ice is less dense than the liquid water
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