Practice Test

Question 1

Why does this tool work to separate the mixture?

Revolt · Accepted Answer

The broth has a higher density than the fat.

Question 2

Which separation procedure is most likely to happen?

Revolt · Accepted Answer

Filtering a mixture will separate it into substances.

Question 3

Which two compounds are used in batteries?

Revolt · Accepted Answer

sulfuric acid and potassium hydroxide

Question 4

Which explains why mixtures can be separated?

Revolt · Accepted Answer

The components have different properties.

Question 5

Which solution has the greatest number of hydrogen ions?

Revolt · Accepted Answer

lemon juice, pH is equal to 2

Question 6

A student is trying to determine if a solution is acidic or basic. She does not have any litmus paper. Which would she most likely use to get a reading on her solution?

Revolt · Accepted Answer

cabbage juice

Question 7

Helen needs to make a supersaturated solution of saltwater. Which describes the best way to make the solution?

Revolt · Accepted Answer

increase the temperature of the solution and add more salt

Question 8

Which jar contains a mixture?

Revolt · Accepted Answer

a jar of copper and water

Question 9

Which solution is unsaturated?

Revolt · Accepted Answer

Solution A

Question 10

Which property is in the wrong column?

Revolt · Accepted Answer

form hydrogen gas with metals

Practice Test Answers

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