FREE Milady Principles of Chemistry Questions and Answers

Question 1

What is the simplest form of chemical matter that cannot be broken down into a simpler substance without loss of identity?

Accepted Answer

Element

Answer

Molecule

Answer

Compound

Answer

Mixture

Question 2

A stable physical mixture of two or more substances is a(n):

Accepted Answer

Solution

Answer

Suspension

Answer

Emulsion

Answer

Compound

Question 3

What is the term for a substance that allows oil and water to mix, or emulsify?

Accepted Answer

Surfactant

Answer

Solvent

Answer

Silicone

Answer

Volatile organic compound

Question 4

On the pH scale, a reading of 8 indicates that a solution is:

Accepted Answer

Alkaline

Answer

Neutral

Answer

Highly acidic

Answer

Slightly acidic

Question 5

The chemical reaction that combines a substance with oxygen to produce an oxide is known as:

Accepted Answer

Oxidation

Answer

Reduction

Answer

Combustion

Answer

Ionization

Question 6

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

Accepted Answer

Ice melting to water

Answer

Oxidation of hair color

Answer

Burning wood

Answer

Rusting of an iron nail