Unit 1 Test Review

Types of Chemistry

100

Organic chemistry is the study of all things that contain what element?

A) Oxygen    B) Carbon    C) Organs    D) Iron

B) Carbon

200

Which of these chemists would study chemicals and chemical processes of living things?

A) Inorganic     B) Physical

C) Analytical     D) Biochemistry

D) Biochemistry

300

An analytical chemist studies the structure and composition of ________ .

A) Rocks     B) Matter    C) Plants    D) Blood

B) Matter

400

The study of chemicals that do not contain carbon is known as what?

A) Biochemistry    B) Organic

C) Inorganic        D) Anticarbonic

C) Inorganic

500

What chemist would study how materials behave, change, and create energy at the atomic level?

A) Organic       B) Physical

C) Biochemistry    D) Analytical

B) Physical

Physical v. Chemical

100

Is this a physical property or chemical property?

How combustible (flammable) something is.

Chemical property

200

Is this a physical property or chemical property?

If something is magnetic.

Physical property

300

Is this a physical change or chemical change?

Dissolving hot chocolate powder in boiling water.

Physical change (dissolving)

400

Is this a physical change or chemical change?

I left an apple on the counter for a week and it began to turn brown and mushy.

Chemical change

500

Is this a physical change or chemical change?

Dry ice is left out and sublimates (changes from a solid directly to a gas).

Physical change (changing states of matter)

Density

100

Which of these is not a unit of density?

g/cm³        L          g/mL

L

200

A block has a mass of 20 g and a volume of 4 cm³. What is its density?

A) 24 g/cm³          B) 80 g/cm³

C) 0.2 g/cm³       D) 5 g/cm³

C) 5 g/cm³

300

A block has a mass of 12 g and a density of 4 g/cm³. What is its volume?

A) 3 cm³               B) 48 cm³​

C) 0.33 cm³          D) 16 cm³

​​​

A) 3 cm

400

A block of metal has a density of 3 g/cm³ and a volume of 21 cm³. What is its mass?

A) 24 g         B) 7 g

C) 0.14 g      D) 63 g

D) 63 g

500

The compound known as isopropyl alcohol has a low density of 0.79 g/mL. Which of these would still float on top of the alcohol?

A) Saltwater (density of 1.03 g/mL)

B) Wax (density of 0.72 g/mL)

C) Rubber (density of 1.52 g/mL)

D) Ice (density of 0.92 g/mL)

B) Wax (smaller density = float!)

Element, Compound, Mixtures

100

Element, Compound, or Mixture?

Hydrogen

Element

200

Element, Compound, or Mixture?

Dr. Pepper

Mixture

300

Element, Compound, or Mixture?

Salt

Compound (NaCl)

400

Element, Compound, or Mixture?

Titanium

Element

500

Element, Compound, or Mixture?

Oil

Mixture