Intro To Chemistry Review Quiz!

Question 1

Which of the following is a pure substance?

Accepted Answer

sugar

Question 2

Paying attention to sig fig, what is 10.00 - 2.0 =

Accepted Answer

8.0

Question 3

Which of the following is a chemical change?

Accepted Answer

burning

Question 4

Which of the following is a heterogeneous mixture?

Accepted Answer

sand in water

Question 5

Which of the following is a chemical change?

Accepted Answer

electrolysis of water

Question 6

What is the gas state of a substance that is normally a liquid or solid called?

Accepted Answer

vapor

Question 7

Express 22.41 in scientific notation:

Accepted Answer

2.241 x 101

Question 8

A way to separate two liquids from each other would be

Accepted Answer

distillation

Question 9

Which of the following states of matter is considered a fluid and a condensed state?

Accepted Answer

liquid

Question 10

Which of the following states of matter is the least compressible?

Accepted Answer

solid

Question 11

What is the density of an object with a mass of 20.00g and a volume of 10.00mL?

Accepted Answer

2.000 g/mL

Question 12

A salt water combination is a

Accepted Answer

solution

Question 13

How many significant figures in 0.0501?

Accepted Answer

3

Question 14

Which of the following is an extensive property?

Accepted Answer

mass

Question 15

Salt, sand, and water combination is a

Accepted Answer

heterogeneous mixture

Question 16

What is true about density? It is...

Accepted Answer

all of these answers are true

Question 17

Which state of matter has indefinite shape and definite volume?

Accepted Answer

liquid

Question 18

Which of the following cannot be separated physically or chemically?

Accepted Answer

element

Question 19

How can you study for a chemistry test?

Accepted Answer

all of these are good ways to review

Question 20

The combination of salt and sand is a

Accepted Answer

heterogeneous mixture

Question 21

Which method would you use to separate a solid from a liquid?

Accepted Answer

filtration

Questions 21