Unit Test Answers

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What is a compound?

a combination of two or more substances that are not chemically combined

a combination of two or more elements that are combined in a certain ratio

What is a solution?

a mixture of two or more substances that are mixed evenly throughout

a mixture of two or more substances that are chemically combined

• Sand on the beach is .

a mixture and a solution

a mixture but not a solution

• A mixture of carbon dioxide and nitrogen gases is

a mixture and a solution

a mixture but not a solution

• Rubbing alcohol is

a mixture and a solution

a mixture but not a solution

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