Question 1

Which of the following best describes a chemical property?

Accepted Answer

The ability of a substance to burn in oxygen

Question 2

A sample of matter is observed to have a fixed volume and a rigid shape. Which state of matter does this describe?

Accepted Answer

Solid

Question 3

Which of the following is an example of a homogeneous mixture?

Accepted Answer

Sweetened tea

Question 4

Which of the following statements about compounds is correct?

Accepted Answer

A compound is composed of two or more elements in fixed, definite proportions.

Question 5

Which separation technique would be most appropriate to separate a mixture of sand and water?

Accepted Answer

Filtration

Question 6

Which of the following is an extensive property?

Accepted Answer

Mass

Question 7

A student heats a sample of water from 25°C to 100°C. What type of change is this?

Accepted Answer

Physical change

Question 8

Which of the following best describes the Law of Constant Composition?

Accepted Answer

All samples of a given compound have the same proportions of their constituent elements.

Question 9

Which of the following is a chemical change?

Accepted Answer

Rusting of iron

Question 10

Which of the following is NOT a property of gases?

Accepted Answer

Gases are incompressible

Question 11

A solution of salt in water is best classified as which of the following?

Accepted Answer

Homogeneous mixture

Question 12

Which of the following is a physical property?

Accepted Answer

Boiling point

Question 13

Which method would best separate a mixture of two liquids with different boiling points?

Accepted Answer

Distillation

Question 14

Which of the following is an example of an element?

Accepted Answer

Oxygen (O2)

Question 15

Which of the following best describes a heterogeneous mixture?

Accepted Answer

A mixture in which the composition varies from one region to another

Question 16

Which of the following is a correct statement about atoms and compounds?

Accepted Answer

A compound is made of atoms from two or more different elements.

Question 17

Which of the following is a correct example of a physical change?

Accepted Answer

Dissolving sugar in water

Question 18

Which of the following is a correct example of a chemical change?

Accepted Answer

Copper reacting with nitric acid to form copper(II) nitrate and nitrogen dioxide

Question 19

Which of the following is a correct statement about intensive properties?

Accepted Answer

They are independent of the amount of substance present.

Question 20

Which of the following is a correct statement about extensive properties?

Accepted Answer

They depend on the amount of substance present.

Chapter 1: Introduction to Matter, Energy, and Measurement

Study Guide - Practice Questions