Quiz about Physical Science - Chemical Reactions

Question 1

Melting Ice

Accepted Answer

Physical Change

Answer

Chemical Change

Question 2

Cutting Paper

Accepted Answer

Physical Change

Answer

Chemical Change

Question 3

Frying Eggs

Accepted Answer

Chemical Change

Answer

Physical Change

Question 4

Toasting Bread

Accepted Answer

Chemical Change

Answer

Physical Change

Question 5

Burning Wood

Accepted Answer

Chemical Change

Answer

Physical Change

Question 6

Rotting Fruit (Like a brown banana)

Accepted Answer

Chemical Change

Answer

Physical Change

Question 7

Dissolving salt in water

Accepted Answer

Physical Change

Answer

Chemical Change

Question 8

Boiling Water

Accepted Answer

Physical Change

Answer

Chemical Change

Question 9

What is the process by which a chemical change occurs?

Accepted Answer

Chemical reaction

Answer

Conservation of Matter

Answer

Physical Change

Answer

Condensation

Question 10

What always happens during a chemical change?

Accepted Answer

The material and its properties change

Answer

The material dissolves

Answer

The total mass of the material changes

Answer

The material changes state from a solid to a liquid

Question 11

What is the best definition of a chemical change?

Accepted Answer

A change in the state of matter in which the material changes into an entirely different material with properties that are different from the original material.

Answer

A change in the state of matter in which the form changes but the properties stay the same.

Answer

A change in the state of matter in which the material is still the same just in a different form.

Question 12

Which is not a sign that a chemical reaction has occurred.

Accepted Answer

A change in mass

Answer

bubbling

Answer

production of an odor or smell

Answer

change in color

Question 13

Which is not evidence that a chemical reaction has occured

Accepted Answer

freezing

Answer

Production of flames

Answer

Change in temperature or heat

Answer

Production of light

Question 14

Conservation of matter applies to physical and chemical changes

Accepted Answer

True

Answer

False

Question 15

The total mass after a chemical reaction is that same as the total mass before a chemical reaction

Accepted Answer

True

Answer

False

Question 16

The mixing of two or more substances can result in a new substance.

Accepted Answer

True

Answer

False

Question 17

When toast burns, the evidence that a chemical reaction took place is a change in both mass and texture.

Accepted Answer

False

Answer

True

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