Quiz about Physical and Chemical Changes

Question 1

Identify the change shown in the picture.

Accepted Answer

Irreversible chemical change

Answer

Irreversible physical change

Answer

reversible physical change

Answer

reversible chemical change

Question 2

Which of the following is a example of physical change ?

Accepted Answer

melting of ice-cream

Answer

burning of wood

Answer

photosynthesis

Answer

ripening of fruit

Question 3

What does the picture represent ?

Accepted Answer

chemical change

Answer

physical change

Question 4

Observe the picture and choose the correct option.

Accepted Answer

Irreversible physical change

Answer

Reversible physical change

Question 5

Choose the picture that shows chemical change.

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 6

In physical change , the substance formed has different properties than the original substance.

Accepted Answer

False

Answer

True

Question 7

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

Accepted Answer

Chemical

Answer

Physical

Question 8

Is milk going sour a physical or chemical change?

Accepted Answer

Chemical

Answer

Physical

Question 9

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 10

Which is NOT a physical change?

Accepted Answer

Baking cupcakes.

Answer

Cutting a pizza into equal slices.

Answer

Ice cubes melting back into liquid. water

Answer

A chocolate bar melting.

Question 11

Which of the following is a physical change?

Accepted Answer

Dissolving

Answer

Rapid release of heat

Answer

Fizzing (release of gas)

Answer

Rusting

Question 12

Evidence of a physical change.

Accepted Answer

Shape Change

Answer

New substance

Answer

Light produced

Answer

Gas released.

Question 13

A physical change...

Accepted Answer

changes the physical properties of an object, but does not create a new substance.

Answer

creates a new substance and cannot be undone.

Question 14

Is this an example of a physical or chemical change?

Accepted Answer

chemical

Answer

physical

Question 15

A mixture of sand and gravel can be separated by putting it in a container with holes that only the sand can pass through. This method works to separate the mixture because sand and gravel differ in which physical property?

Accepted Answer

size

Answer

texture

Answer

state of matter

Answer

color

Question 16

A physical change occurs when a substance _____.

Accepted Answer

changes shape, size, and form

Answer

breaks into individual elements

Answer

becomes a new substance

Answer

changes from an acid to a base

Question 17

Mark is observing a burning candle. He notices the melted wax drips down the side of the candle and hardens again. The candle has _____.

Accepted Answer

undergone a physical change

Answer

formed a new substance

Answer

undergone a chemical change

Answer

undergone a physical and chemical change

Question 18

Which is a physical change?

Accepted Answer

melting butter

Answer

burning match

Answer

vinegar in baking soda

Answer

cooking an egg

Question 19

What is an example of a Chemical change?

Accepted Answer

boiled egg

Answer

Ripped paper

Answer

cracked egg

Answer

sugar in water

Question 20

Is gatorade powder dissolving in water physical or chemical change?

Accepted Answer

Physical

Answer

Chemical

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