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Chapter 22 8th Grade Science solutions Putman

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

In a solution, the substance that is being dissolved is the ____.

a)

solute

b)

solvent

c)

liquid

d)

gas

2.

The oceans are an example of a(n) ____ solution.

a)

solid

b)

liquid

c)

gaseous

d)

alloy

3.

A solution that contains all of the solute it can hold at a given temperature is ____.

a)

supersaturated

b)

diluted

c)

saturated

d)

unsaturated

4.

The process by which the positive and negative ions of a crystalline solid separate in water is called ____.

a)

solution

b)

ionization

c)

saturation

d)

dissociation

5.

Increasing the surface area of a solid ____.

a)

speeds the rate of solution

b)

has no effect on the rate of solution

c)

slows the rate of solution

d)

causes the solid to ionize

6.

When a gas is dissolved in a liquid, the gas dissolves faster if the liquid is ____.

a)

under low pressure

b)

cooled

c)

an electrolyte

d)

heated

7.

The concentration of solution that contains a large amount of solute in the solvent could be described as ____.

a)

unsaturated

b)

diluted

c)

concentrated

d)

polar

8.

An alloy is an example of a ____ solution.

a)

dilute

b)

liquid

c)

gaseous

d)

solid

9.

Adding more solute to a solvent ____.

a)

increases its boiling point

b)

increases its freezing point

c)

does not affect its boiling point

d)

decreases its boiling point

10.

A molecule that is positively charged on one end and negatively charged on the other end is ____.

a)

polar

b)

radioactive

c)

nonpolar

d)

a hydrocarbon

11.

The amount of solute that can be dissolved in a specific amount of solvent at a given temperature is its ____.

a)

density

b)

dilution

c)

solubility

d)

concentration

12.

Which of the following will speed up the dissolving of a solid solute in water?

a)

Freeze the solute.

b)

Grind up the solvent.

c)

Cool the solution.

d)

Stir the solution.