Question

What is Chromatography?


Heating a liquid mixture, leaving behind a solid particle in
a container


Separating liquids on a piece of paper by mass


Pouring off a liquid from a solid particle that separates by
gravity

Question at position 7
7

Multiple Choice
1 point



Question at position 7

How do you break apart a compound?


With a hammer


With Slow Heating


Undergoing a chemical change

Question at position 8
8

Multiple Choice
1 point



Question at position 8

Solubility is defined as


Dissolving any state of matter


Dissolving a solid into a liquid


Dissolving 2 or more compounds

Question at position 9
9

Multiple Choice
1 point



Question at position 9

What are the three states of matter?


Chemical, Physical & Permanent


Solids, Liquids & Gases


Earth, Wind & Fire

Question at position 10
10

Multiple Choice
1 point



Question at position 10

Which is not a physical change?


Cooking an egg


Dissolving Sugar


Freezing Water

Question at position 11
11

Multiple Choice
1 point



Question at position 11

Concrete is classified as


element


compound


Mixture

Question at position 12
12

Multiple Choice
1 point



Question at position 12

What are the two types of pure substances?


.H2O & CO2


Ionic & Covalent


Elements & Compounds

Question at position 13
13

Multiple Choice
1 point



Question at position 13

A pure substance is defined as:


An element that cannot be broken down into simpler
elements


Something that you cannot break down further through
physical changes


A mixture that cannot be separated

Question at position 14
14

Multiple Choice
1 point



Question at position 14

What is Decanting?


Heating a liquid mixture, leaving behind a solid particle in
a container


Separating liquids on a piece of paper by mass


Pouring off a liquid from a solid particle that separates by
gravity

Question at position 15
15

Multiple Choice
1 point



Question at position 15

Mrs. Wetsel's birthday is:


Today, November 20th


October 31


Groundhog's Day

Question at position 16
16

Multiple Choice
1 point



Question at position 16

What happens when a heterogeneous mixture sits?


it explodes


it separates


nothing

Question at position 17
17

Multiple Choice
1 point



Question at position 17

Bismuth is classified as:


an element


a compound


a mixture

Question at position 18
18

Multiple Choice
1 point



Question at position 18

What happens when a homogeneous mixture sits?


it explodes


it separates


nothing

Question at position 19
19

Multiple Choice
1 point



Question at position 19

Which of the following is a homogeneous mixture


Salt Water


Gravel


Trail Mix

Question at position 20
20

Multiple Choice
1 point



Question at position 20

Which is not a chemical change?


Cutting


Rotting


Burning

Question at position 21
21

Matching
4 points



Question at position 21
Match the following

Prompt 1Pure Element
Answer for prompt 1 Pure Element
Prompt 2Mixture of two elements
Answer for prompt 2 Mixture of two elements
Prompt 3Pure compound
Answer for prompt 3 Pure compound
Prompt 4Mixture of two compounds
Answer for prompt 4 Mixture of two compounds

Answer 1

Here are the answers:

6. Chromatography — Separating liquids on a piece of paper by mass (best match)
7. How do you break apart a compound? — Undergoing a chemical change
8. Solubility is defined as — Dissolving a solid into a liquid
9. What are the three states of matter? — Solids, Liquids & Gases
10. Which is not a physical change? — Cooking an egg
11. Concrete is classified as — Mixture
12. What are the two types of pure substances? — Elements & Compounds
13. A pure substance is defined as: — Something that you cannot break down further through physical changes
14. What is Decanting? — Pouring off a liquid from a solid particle that separates by gravity
15. Mrs. Wetsel's birthday is: — Today, November 20th
16. What happens when a heterogeneous mixture sits? — It separates
17. Bismuth is classified as: — An element
18. What happens when a homogeneous mixture sits? — Nothing
19. Which of the following is a homogeneous mixture — Salt Water
20. Which is not a chemical change? — Cutting

21. Matching (examples)
- Pure element — Gold (Au)
- Mixture of two elements — Brass (copper + zinc alloy)
- Pure compound — Water (H2O)
- Mixture of two compounds — Salt water (NaCl dissolved in H2O)