Physical & Chemical Properties and Changes, and Density

Physical & Chemical Properties and Changes, and

Density

1) The rock has a mass of 15.2g. This would be considered a ___________ of the rock.

Physica

l pro

pe...

Physica

l chang...

Chemical p

rope...

Chemical c

hang...

91%

0%4%4%

1. Physical property2. Physical change3. Chemical property4. Chemical change

2) The piece of metal is rusting in the salty water. This would be considered a

Physica

l pro

perty

Physica

l change

Chemical p

roperty

Chemical c

hange

0%

91%

0%9%

1. Physical property2. Physical change3. Chemical property4. Chemical change

3) The density of water is 1.0g/mL. This would be considered a

Physica

l pro

pe...

Physica

l chang...

Chemical p

rope...

Chemical c

hang...

87%

0%

13%

0%

1. Physical property2. Physical change3. Chemical property4. Chemical change

4) Water can decompose (break down) to form hydrogen gas and oxygen gas. This would be considered a

Physica

l pro

perty

Physica

l change

Chemical p

roperty

Chemical c

hange

0%

35%35%

30%1. Physical property2. Physical change3. Chemical property4. Chemical change

5) Which of the following is not a possible unit of measurement for density?

g/mL

g/cm

g/cm

3

22%26%

52%1. g/mL2. g/cm3. g/cm3

6) An object has a mass of 2.52g and a volume of 3.2mL. What is the density of this object?

8.1g/m

L

5.7g/m

L

0.78g/

mL

0.68g/

mL

0% 5%

91%

5%

1. 8.1g/mL2. 5.7g/mL3. 0.78g/mL4. 0.68g/mL

7) Copper can be easily hammered/shaped into thin sheets. This is because copper is

Brittle

A good conduct.

..

A good conduct.

..

Malle

able

0%

100%

0%0%

1. Brittle2. A good conductor of

electricity3. A good conductor of

heat4. Malleable

8) An object has a density of 4.2g/mL. This object will __________.

Float

in water..

.

Sink i

n wate

r.

Remain susp

end...

9% 4%

87%1. Float in water.2. Sink in water.3. Remain suspended

in the middle of the water.

Classification of Matter

1) Defined as the amount of matter in an object. (not affected by gravity)

Mass

Volume

Densit

y

Length

Weight

70%

13%

0%0%

17%

1. Mass2. Volume3. Density4. Length5. Weight

2) Defined as the amount of space occupied by an object.

Mass

Volume

Densit

y

Length

Weight

0%

87%

0%0%

13%

1. Mass2. Volume3. Density4. Length5. Weight

3) Which of the following is not considered a pure substance?

Element

Compound

Salt w

ater

Iron, F

e

5%

23%

59%

14%

1. Element2. Compound3. Salt water4. Iron, Fe

4) Heterogenous mixtures

Are pure

subst.

..

Are eve

nly mix.

..

Have

a Tyndall...

0%

74%

26%

1. Are pure substances2. Are evenly mixed

throughout3. Have a Tyndall effect

5) What is the solvent in a mixture of 5cups of water, 1 tablespoon of sugar and 2 drops of food coloring.

Wate

r

Suga

r

Food co

loring

59%

9%

32%

1. Water2. Sugar3. Food coloring

6) Homogeneous mixtures are also called

Susp

ensions

Hetero

geneous .

..

Colloids

Solutions

Compounds

0% 0%5%

86%

9%

1. Suspensions2. Heterogeneous

mixtures3. Colloids4. Solutions 5. Compounds