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1.1 Diffusion & Dilution

Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.

Solutes dissolve quicker in _________ water.

a)

cold

b)

warm

2.

Solutes dissolve quicker if you stir them.

a)

true

b)

false

3.
The substance in which a solute is dissolved
a)
sands
b)
solvent
c)
alloy
d)
negative particles
4.
The substance being dissolved in a solution.
a)
sands
b)
solute
c)
solvent
d)
alloy
5.

If I dissolve carbon dioxide in water, what is the solvent?

a)

Carbon Dioxide

b)

There is no solvent

c)

Oxygen

d)

Water

6.

If I dissolve salt in water to make salt water, which is the solute?

a)

Water

b)

Salt

c)

Salt water

7.

If I dissolve salt in water to make salt water, which is the solvent?

a)

Water

b)

Salt

c)

Salt water

8.

If I dissolve salt in water to make salt water, which is the solution?

a)

Water

b)

Salt

c)

Salt water

9.

When dissolving carbon dioxide in water to produce carbonated water, which is the solvent?

a)

Carbon dioxide

b)

Water

c)

Carbonated water

10.

When dissolving carbon dioxide in water to produce carbonated water, which is the solute?

a)

Carbon dioxide

b)

Water

c)

Carbonated water

11.

When dissolving carbon dioxide in water to produce carbonated water, which is the solution?

a)

Carbon dioxide

b)

Water

c)

Carbonated water

12.

Polystyrene is disolved in a beaker of benzene to produce a solution of both chemicals. Which is the solute?

a)

Polystyrene

b)

Benzene

c)

Neither of these chemicals is the solute

13.

Polystyrene is disolved in a beaker of benzene to produce a solution of both chemicals. Which is the solvent?

a)

Polystyrene

b)

Benzene

c)

Neither of these chemicals is the solvent

14.

Polystyrene is disolved in a beaker of benzene to produce a solution of both chemicals. Which is the solution?

a)

Polystyrene

b)

Benzene

c)

Neither of these chemicals is the solution

15.

In which of the following states of matter would be observe the process of diffusion?

a)

Solids

b)

Liquids

c)

Gases

16.

Diffusion occurs fastest when the substance is...

a)

Hot

b)

Cold

c)

At room temperature

d)

Frozen

17.

If there is a bad smell in one corner of the room, you can smell it on the other side of the room because of...

a)

Diffusion

b)

Dilution

c)

Expansion

d)

Condensation

18.

The amount of solute dissolved in a given amount of solvent.

a)

dilution

b)

concentration

c)

saturated solution

d)

supersaturated mixture

19.
What does it mean to dilute a solution?
a)
lower the concentration of solute per solvent
b)
increase the concentration of solute per solvent
20.
You can make a solution more concentrated by adding __________.
a)
solute
b)
solvent
c)
water