Intro to Chem: Matter

A solution of where the solvent is water is known as a(n) ______________________ .

• aqueous solution

• alloy

• solute

• substance

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Chm.2.2

A property of matter that depends on the amount of matter present would be considered a(n) _______________ property.

• physical

• chemical

• intensive

• extensive

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Chm.2.2

Matter with an indefinite shape but a definite volume would be considered a

• solid

• liquid

• gas

• plasma

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Chm.2.2

Which of the following is not an example of a physical change?

• Cutting a piece of string in half

• Freezing water into an ice cube

• Crumpling a piece of paper into a ball

• Letting the food in your lunch box rot in your locker

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Chm.2.2

You are given a container filled with clumps of iron and sand. You can separate the iron from the sand using a magnet. This makes this a

• homogeneous mixture

• compound

• heterogeneous mixture

• solution

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Chm.2.2

Which of the following is not a sign that a chemical reaction may have occurred?

• Sudden color change from clear to yellow

• Changing state from liquid to gas

• The formation of a precipitate

• Giving off heat

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Chm.2.2

Which of the following statements about a chemical change is true?

• A chemical change results in a change in energy AND a change in the amount of matter.

• A chemical change results in a change in energy but not a change in the amount of matter.

• A chemical change results in a change in the amount of matter but not a change in energy.

• A chemical change results in neither a change in energy OR a change in the amount of matter.

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Chm.2.2

Write a sentence using the terms atom, element, and compound to describe propane, which has the following chemical formula: C₃H₈.

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Differentiate between a compound and a mixture.

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Chopping wood

• chemical change

• physical change

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