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Chemical and Physical Changes

Authored by Lisa Jones

Chemistry

12th Grade

Used 14+ times

Chemical and Physical Changes
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a chemical reaction?

A process that leads to the transformation of weather patterns

A process that leads to the transformation of one set of chemical substances to another

A process that leads to the transformation of physical properties

A process that leads to the transformation of energy

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Give an example of a physical change.

Melting of ice

Burning of wood

Boiling of water

Rusting of iron

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are some signs of a chemical change?

Change in temperature

Color change, production of gas, formation of a precipitate, and release of heat or light

Change in state of matter

Change in shape or size

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Is burning wood a chemical or physical change? Why?

Spiritual change

Emotional change

Physical change

Chemical change

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the composition of a substance during a physical change?

It disappears completely

It becomes radioactive

It turns into a different element

It remains the same

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the difference between a chemical change and a physical change.

A chemical change involves the change in color of a substance, while a physical change only alters the form or appearance of a substance without changing its chemical composition

A chemical change only alters the form or appearance of a substance without changing its chemical composition, while a physical change involves the formation of new substances with different properties

A chemical change involves the change in state of a substance, while a physical change only alters the form or appearance of a substance without changing its chemical composition

A chemical change involves the formation of new substances with different properties, while a physical change only alters the form or appearance of a substance without changing its chemical composition.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are some examples of evidence of a chemical change?

Change in texture

Change in state of matter

Formation of a precipitate, color change, gas production, and temperature change

Change in shape

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