Quiz about Chemical Reactions

Question 1

The starting materials in a chemical reaction

Accepted Answer

Reactants

Answer

Products

Answer

Starters

Answer

Enders

Question 2

a substance that is formed as the result of a chemical reaction

Accepted Answer

Product

Answer

Reactant

Answer

Starters

Answer

Enders

Question 3

A chemical change is different than a physical change because in a chemical change

Accepted Answer

a new substance is formed and in a physical no new substance is formed

Answer

chemicals are used

Answer

molecules do not physically touch

Answer

the change can be seen but in a physical change it cannot

Question 4

A copper penny turning greenish after a few years is an example of ...

Accepted Answer

Chemical Change

Answer

Physical Change

Question 5

A change in which NEW substances are formed.

Accepted Answer

Chemical change

Answer

Physical change

Answer

Casual change

Answer

Formal change

Question 6

Which of the following is NOT an example of chemical change?

Accepted Answer

breaking a pencil

Answer

sour milk

Answer

burning wood

Answer

rust

Question 7

Which of the following is NOT an example of a physical change?

Accepted Answer

sour milk

Answer

crumpled paper

Answer

pencil sharpening

Answer

shrunken clothing

Question 8

Which of the following IS a physical change?

Accepted Answer

Getting a haircut

Answer

Rusty metal

Answer

sour milk

Answer

A compound

Question 9

Is melting butter for popcorn a chemical or physical change?

Accepted Answer

physical

Answer

chemical

Question 10

Is a rusting bicycle a chemical or physical change?

Accepted Answer

chemcial

Answer

physical

Question 11

Ripping up paper ...

Accepted Answer

Physical Change

Answer

Chemical Change

Question 12

A change in phase ...

Accepted Answer

Physical Change

Answer

Chemical Change

Question 13

Bubbles form when two or more substances are combined ...

Accepted Answer

Chemical Change

Answer

Physical Change

Question 14

Change in size ...

Accepted Answer

Physical Change

Answer

Chemical Change

Question 15

An explosion occurs ...

Accepted Answer

Chemical Change

Answer

Physical Change

Question 16

Causes a change in temperature ...

Accepted Answer

Chemical Reaction

Answer

Physical Reaction

Question 17

Causes a change in odor ...

Accepted Answer

Chemical Reaction

Answer

Physical Reaction

Question 18

Causes a change in odor ...

Accepted Answer

Chemical Reaction

Answer

Physical Reaction

Question 19

Evidence of Chemical Change.

Accepted Answer

New Substance

Answer

Size change

Answer

State change

Answer

Mixture

Question 20

Evidence of a physical change.

Accepted Answer

Shape Change

Answer

New substance

Answer

Light produced

Answer

Gas released.

Question 21

Wood that is burning in a brush pile has heat, and produces ashes.

Accepted Answer

Chemical

Answer

Physical

Question 22

Is milk going sour a physical or chemical change?

Accepted Answer

Chemical

Answer

Physical

Question 23

Is freezing juice a physical or chemical change?

Accepted Answer

Physical Change

Answer

Chemical Change

Question 24

Is this an example of a physical or chemical change?

Accepted Answer

Physical because it is a mixture.

Answer

Chemical because the parts have changed shape.

Question 25

An example of a physical property would be?

Accepted Answer

Salt dissolved in water.

Answer

Rust on a nail

Answer

Wood burning

Answer

An egg frying

Question 26

Which of the following is a physical change?

Accepted Answer

Dissolving

Answer

Rapid release of heat

Answer

Fizzing (release of gas)

Answer

Rusting

Question 27

Water freezing into ice is an example of a...

Accepted Answer

Physical Change

Answer

Chemical Change

Question 28

A change that alters the physical properties of a substance without changing its composition.

Accepted Answer

Physical Change

Answer

Chemical Change

Question 29

Which of the following indicates a chemical change?

Accepted Answer

Temperature change

Answer

Change in state of matter

Answer

Change in size

Answer

Change in shape

Question 30

Physical or Chemical Change?  Iron rusts

Accepted Answer

Chemical Change

Answer

Physical Change

Question 31

Physical or Chemical Change?  Baking a cake.

Accepted Answer

Chemical Change

Answer

Physical Change

Question 32

Physical or Chemical Change?  Logs burning in a campfire.

Accepted Answer

Chemical Change

Answer

Physical Change

Question 33

Physical or Chemical Change?  Making a paper airplane.

Accepted Answer

Physical Change

Answer

Chemical Change

Question 34

Which of the following is a chemical change?

Accepted Answer

wood burns in a campfire

Answer

water freezes to form ice

Answer

sugar dissolves in water

Answer

a piece of metal expands when heated

Question 35

A physical property is...

Accepted Answer

a property that is observed and the substance does not change into something new

Answer

a property that is observed and the substance changes into something new

Question 36

Is the following particle diagram representing a chemical or physical change?

Accepted Answer

physical change

Answer

chemical change

Question 37

Is the following particle diagram representing a chemical or physical change?

Accepted Answer

chemical change

Answer

physical change

Question 38

Is the following particle diagram representing a chemical or physical change?

Accepted Answer

chemical change

Answer

physical change

Question 39

Does the following particle diagram accurately show the Law of Conservation of Mass?

Accepted Answer

Yes - it accurately shows the Law of Conservation of Mass

Answer

No - it does not accurately shows the Law of Conservation of Mass

Question 40

Which particle diagram accurately shows the Law of Conservation of Mass?

Accepted Answer

Diagram A

Answer

Diagram B

Answer

Diagram C

Answer

Diagram D

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