Chemicals REVIEW

Question 1

What is a chemical?

Accepted Answer

a 106 known elements & their combinations

Question 2

Some of the tests you can use to test different chemicals are _______________________________.

Accepted Answer

adding heat, water, and iodine.

Question 3

Physical properties of chemicals can be _____________.

Accepted Answer

observed

Question 4

Some chemicals react the same way to changes.

Accepted Answer

true

Question 5

This is an example of a...

Accepted Answer

chemical change

Question 6

Chemicals can go through ______________________.

Accepted Answer

phyiscal and chemical changes

Question 7

Did you enjoy your study on chemicals?

Accepted Answer

IDK, No, Yes

Question 8

What is a property that can be observed after changes have taken place?

Accepted Answer

a chemical property

Question 9

Chemicals are safe to taste if you really like them.

Accepted Answer

false

Question 10

All chemicals are harmful.

Accepted Answer

False

Question 11

This is an example of a...

Accepted Answer

physical change

Question 12

What is a property that can be observed without altering/changing the chemical?

Accepted Answer

a physical property

Question 13

What happens when a chemical is added to a liquid?

Accepted Answer

a mixture or suspension forms

Question 14

The correct way to “waft” or smell a chemical is to wave your hand over the chemical and...

Accepted Answer

smell the air blowing towards you

Question 15

What is the process by which a liquid changes to a gas?

Accepted Answer

evaporation

Question 16

You can _________ a liquid to see if any small solids remain in the mixture.

Accepted Answer

filter

Questions 16