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Properties of solutions

Total questions: 58

Worksheet time: 54mins

Name
Class
Date
1.

A small amount of NaCl is dissolved in water to make a solution. In this solution

a)

water is the precipitate

b)

water is the solute

c)

NaCl is the solvent

d)

NaCl is the solute

2.
Solution where more solute can still be dissolved at the given temperature. 
a)
Saturated
b)
Unsaturated
c)
Supersaturated
d)
Homogeneous solution
3.

Which one is dilute?

a)

10 g of sugar dissolved in 100 ml of water

b)

10 g of sugar dissolved in 50 ml of water

c)

20 g of sugar dissolved in 100 ml of water

d)

20 g of sugar dissolved in 50 ml of water

4.

Which solution is concentrated?

a)

25 g of salt in 100 ml of water

b)

15 g of salt in 200 ml of water

c)

10 g of salt in 400 ml of water

d)

5 g of salt in 400 ml of water.

5.

Solutions are ............................. that may be solid, liquid, or gaseous.

a)

heterogeneous mixtures

b)

homogeneous mixtures

6.

Granulated sugar dissolves ................. than sugar cubes

a)

slower

b)

faster

7.

A ............................... contains the maximum amount of solute for a given quantity of solvent at a constant temperature and pressure.

a)

super saturated solution

b)

saturated solution

c)

unsaturated solution

8.

The amount of solute dissolved in a measure of solvent is______

a)

dilute

b)

concentration

c)

volume

9.

The 3D space occupied by liquids) is ______

a)

volume

b)

dilute

c)

concentration

d)

solution

10.

A soft drink that is more diluted is ______ in color and ______ in taste

a)

darker, weaker

b)

lighter, weaker

c)

darker, stronger

d)

lighter, stronger

11.

The maximum amount of solute that can be dissolved in a given solvent at a given temperature and presure

a)

Solubility

b)

Density

c)

Concentration

d)

Saturation

12.

How can you increase the solubility of a gas

a)

Increase temperature

b)

Increase pressure

c)

Decrease pressure

d)

Decrease the amount of solvent

13.

When lemonade is made ice is added after the sugar is dissolved because

a)

Solubility increases with decrease in temperature

b)

Solubility decreases with decrease in temperature

c)

Temperature do not affect solubility

d)

Ice will dissolve sugar faster

14.

Solutions are made up of..

a)

a soluble and a solvent

b)

a solute and a solvent

c)

a suspension and a sediment

d)

a suspension and a colloid

15.

Solution that contains the maximum amount of solute that can be dissolved.

a)

unsaturated solution

b)

supersaturated solution

c)

saturated solution

16.
When a certain amount of solvent cannot hold any more solute it is called a ________ solution.
a)
Diluted
b)
Saturated
17.

The amount of material dissolved in a measure of liquid is______

a)

dilute

b)

concentration

c)

volume

18.

when you __________ a solution, you make it less concentrated, usually by adding more liquid

a)

concentrate

b)

dilute

c)

stir

d)

mix

19.

The 3D space occupied by something (in this case, liquids) is ______

a)

volume

b)

dilute

c)

concentration

d)

solution

20.

A soft drink that is more diluted is ______ in color and ______ in taste

a)

darker, weaker

b)

lighter, weaker

c)

darker, stronger

d)

lighter, stronger

21.

A soft drink that is more concentration is _____ in color and _______ in taste

a)

lighter, stronger

b)

darker, weaker

c)

lighter, weaker

d)

darker, stronger

22.

What could you do to the pitchers to make them more concentrated?

a)

add more mix

b)

add more water

23.
An acid reacts with metal to produce 
a)
Carbon dioxide 
b)
Hydrogen gas
c)
Hydrogen gas and water 
d)
Salt and hydrogen gas 
24.

What is the difference between a solution that is dilute and one that is concentrated?

a)

dilute has more solute

b)

dilute has less solute

c)

They have the same amount of solute

d)

dilute solutions are at a higher temperature

25.
Which of the following is a method of separating solutions?
a)
hand seperation
b)
filtering
c)
screening
d)
evaporation 
26.
Which mixture separation method would use to separate sugar from water?
a)
filtration 
b)
magnet
c)
boiling/evaporation
d)
sorting physically
27.
a)

solute

b)

solvent

28.

Solutes dissolve quicker in _________ water.

a)

cold

b)

warm

29.

Solutes dissolve quicker if you stir them.

a)

true

b)

false

30.
The substance being dissolved in a solution.
a)
sands
b)
solute
c)
solvent
d)
alloy
31.
The substance in which a solute is dissolved
a)
sands
b)
solvent
c)
alloy
d)
negative particles
32.
Pure water has a pH of 7. Pure water _______.
a)
is a base
b)
is a neutral substance
c)
could be either an acid or a base
d)
is an acid
33.
Many cleaning solutions are bases. Which of the following is a property of most bases?
a)
feels slippery
b)
white color
c)
can only be liquid
d)
tastes sour
34.
Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?
a)
strongly acidic
b)
slightly acidic
c)
strongly basic
d)
slightly basic
35.
Which of the following statements is correct?
a)
Blue litmus paper turns red when placed in a base.
b)
Red litmus paper turns blue when placed in a base.
c)
Blue litmus paper stays blue when placed in an acid.
d)
Red litmus paper stays red when placed in a base.
36.
Which is the stronger acid?
a)
pH 1
b)
pH 4
c)
pH 8
d)
pH 13
37.
Turns litmus blue.
a)
Acids
b)
Bases
c)
Salts
d)
All
38.
Turns litmus blue.
a)
Acids
b)
Bases
c)
Salts
d)
All
39.
Which has a pH below 7?
a)
Acid
b)
Base
40.
When put into a basic solution, red litmus paper ________.
a)
stays red
b)
turns blue
c)
turns magenta
d)
turns violet
41.
Which of the following statements about acids is true?
a)
They taste sweet.
b)
They taste sour.
c)
They have a pH between 8-14.
42.
Which item is an acid?
a)
Drain cleaner
b)
Ammonia
c)
An orange.
43.
What does the pH scale measure?
a)
the concentration of acids and bases
b)
the malleability of a metal
c)
the temperature of the water in a swimming pool
d)
the amount of phosphorus in a compound
44.
Bleach is a strong base, what is the pH level of bleach?
a)
13
b)
14
c)
1
d)
2
45.
According to the pH range which substance is more acidic than lemon juice
a)
Hydrochloric acid
b)
cabbage
c)
milk
46.

As one moves down the pH scale from 14 to 1, what happens to the concentration of H+ in the solution?

a)

concentration of H+ decreases

b)

concentration of H+ increases

c)

concentration of H+ stays the same

47.

A substance that is a base has more OH- ions than H+ ions.

a)

True

b)

False

48.

What is true when acids and bases neutralize each other.

a)

The concentration of H+ and OH- is the same

b)

Salt Water is produced

c)

[H+] = [OH-]

d)

[H+] > [OH-]

49.

Which is NOT a property of a base?

a)

Tastes sour

b)

Slippery

c)

Bitter taste

d)

Turns red litmus to blue

50.

What does pH measure?

a)

the amount of hydrogen (H+) ions

b)

the amount of hydroxide (OH-) ions

c)

amount of water

d)

all of the above

51.
A solution with a pH of 8.6 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
52.

Which factor is shown in the picture?

a)

temperature

b)

particle size

c)

stirring

d)

use of spoon

53.

Which factor affecting solubility is shown in the picture?

a)

temperature

b)

height

c)

stirring

d)

particle size

54.

Why do sugar particles dissolve faster in hot water?

a)

water particles move slow

b)

water particles move fast

c)

water particles settle down

d)

water particles stay on top

55.

How does particle size affect solubility?

a)

bigger particles dissolve faster

b)

smaller particles can occupy the space in water faster

c)

bigger particles spread faster than smaller particles

56.

What are the factors that affect solubility?

a)

rate of stirring

b)

particle size

c)

temperature

d)

all of these

57.

Which of the following does not affect the solubility of solid solutes?

a)

Volume of solvent

b)

Temperature

c)

Stirring

d)

Amount of mixture

58.

Solubility is  ____________ as temperature is increases

a)

Increasing

b)

Decreasing

c)

Natural

d)

None of this

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