Ch F6 Chemistry & Chemical Safety

Question 1

Do creams, lotions, masks, and makeup contain chemicals if they are natural?

Answer 1

Yes

Question 2

What is any substance that occupies space and has weight?

Answer 2

Matter

Question 3

What is the simplest form of chemical matter?

Answer 3

An element

Question 4

How many known elements are there?

Answer 4

118

Question 5

How many known elements occur naturally on Earth?

Answer 5

98

Question 6

What are basic units of matter?

Answer 6

Atoms

Question 7

When salt is dissolved into water, what is the solute and what is the solvent?

Answer 7

Salt is the solute and water is the solvent

Question 8

Are all liquids miscible or immiscible?

Answer 8

Either miscible or immiscible

Question 9

What do immiscible liquid form when they are combined?

Answer 9

Suspensions

Question 10

What is a solute?

Answer 10

A substance that is dissolved in a solution

Question 11

What is a solvent?

Answer 11

A substance that dissolves a solute and makes a solution

Question 12

Solutions are stable mixtures. true or false

Answer 12

true