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Which of the following is an example of a chemical property of water? It
explain how the substance reacts with other substances
It is physical because it is easily reversible.
Reaction with water
reacts with calcium
is less dense than air
bubbles formed
paper, gasoline
density, phase
Salt is mixed with water and stirred. Is this a physical or chemical change?
explain how the substance reacts with other substances
It is physical because it is easily reversible.
Reaction with water
reacts with calcium
is less dense than air
bubbles formed
paper, gasoline
density, phase
Two students mix vinegar and baking soda. They observe bubbles forming, baking soda dissolving, and vinegar turning cloudy. They infer that a chemical change has occurred. Which data support this inference?
explain how the substance reacts with other substances
It is physical because it is easily reversible.
Reaction with water
reacts with calcium
is less dense than air
bubbles formed
paper, gasoline
density, phase
Which of the following is true of chemical properties? They
explain how the substance reacts with other substances
It is physical because it is easily reversible.
Reaction with water
reacts with calcium
is less dense than air
bubbles formed
paper, gasoline
density, phase
Which of the tests measured physical properties?
explain how the substance reacts with other substances
It is physical because it is easily reversible.
Reaction with water
reacts with calcium
is less dense than air
bubbles formed
paper, gasoline
density, phase
Which is a chemical change
explain how the substance reacts with other substances
It is physical because it is easily reversible.
Reaction with water
reacts with calcium
is less dense than air
bubbles formed
paper, gasoline
density, phase
Which of the following is an example of a physical property of hydrogen? It
explain how the substance reacts with other substances
It is physical because it is easily reversible.
Reaction with water
reacts with calcium
is less dense than air
bubbles formed
paper, gasoline
density, phase
Which of these substances would be classified as highly flammable?
explain how the substance reacts with other substances
It is physical because it is easily reversible.
Reaction with water
reacts with calcium
is less dense than air
bubbles formed
paper, gasoline
density, phase
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