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Chem Unit 1 Review

Authored by Brad Harrington

Chemistry

10th - 12th Grade

Used 16+ times

Chem Unit 1 Review
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21 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An increase in pressure increasing the boiling point of a liquid is an example of a —

physical change

chemical change

physical property

chemical property

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is considered to be a chemical property of matter?

viscosity

reactivity

texture

density

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

During an investigation, a student combined two substances as shown above. The student observed a decrease in

temperature when the substances were combined. A milky substance was produced and fell to the bottom of the

flask.


What is the most likely reason for these results?

A portion the substances crystallized.

A solid appeared after the liquid evaporated.

The combined substances chemically reacted.

A portion of the substances dissolved.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is considered to be a physical property of matter?

reactivity

pH

Solubility

Toxicity

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which two physical properties are used to describe matter?

mass and reactivity

weight and toxicity

volume and pH

Mass and Volume

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Properties that remain the same regardless of the amount present are classified as-

intensive properties

extensive properties

chemical properties

physical properties

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A lab technician is working on a sample of brass and testing its properties. Which of the following properties of the

brass is an extensive property?

Melting Point: 920°C

Density: 8.52 g/mL

Mass: 62.9 g

Reactivity: Dissolves in strong acid

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