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Which of the following is an example of a chemical property of water? It
paper, plastic
Reaction with water
density, phase
paper, gasoline
reacts with calcium
It melts into water
is less dense than air
It is physical because it is easily reversible.
Which is a chemical change
paper, plastic
Reaction with water
density, phase
paper, gasoline
reacts with calcium
It melts into water
is less dense than air
It is physical because it is easily reversible.
Which of these substances would be classified as flexible?
paper, plastic
Reaction with water
density, phase
paper, gasoline
reacts with calcium
It melts into water
is less dense than air
It is physical because it is easily reversible.
Salt is mixed with water and stirred. Is this a physical or chemical change?
paper, plastic
Reaction with water
density, phase
paper, gasoline
reacts with calcium
It melts into water
is less dense than air
It is physical because it is easily reversible.
Which of the tests measured physical properties?
paper, plastic
Reaction with water
density, phase
paper, gasoline
reacts with calcium
It melts into water
is less dense than air
It is physical because it is easily reversible.
An ice cube is left on a table for an hour. What evidence shows a physical change takes place?
paper, plastic
Reaction with water
density, phase
paper, gasoline
reacts with calcium
It melts into water
is less dense than air
It is physical because it is easily reversible.
Which of the following is an example of a physical property of hydrogen? It
paper, plastic
Reaction with water
density, phase
paper, gasoline
reacts with calcium
It melts into water
is less dense than air
It is physical because it is easily reversible.
Which of these substances would be classified as highly flammable?
paper, plastic
Reaction with water
density, phase
paper, gasoline
reacts with calcium
It melts into water
is less dense than air
It is physical because it is easily reversible.
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