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Classifying Matter

Last updated 6 months ago

10 questions

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Question 1

1.

What defines a homogeneous mixture?

Has a fixed composition.

Visible different components.

Components can be easily separated.

Uniform composition throughout the mixture.

Question 2

2.

An example of a pure substance is?

Distilled water.

Fruit salad.

sweet tea

Air in a balloon.

Question 3

3.

What is a characteristic of heterogeneous mixtures?

They are always solid.

They can be separated easily.

They have a uniform look.

Components are not evenly distributed.

Question 4

4.

Which is not an example of a pure substance?

Distilled vinegar.

Sand with salt and sugar.

Oxygen in a cylinder.

Pure gold.

Question 5

5.

Which property applies to mixtures?

Always has a homegeneous look.

Always appears in one phase.

Can be separated by physical means.

Always has a fixed melting point.

Question 6

6.

Which of these is a characteristic of compounds?

Always have unique physical properties.

Easy to separate physically.

Components remain independent.

Made of two or more elements chemically bonded.

Question 7

7.

What kind of substance is table salt (NaCl)?

A pure compound.

A homogeneous mixture.

A mixture of minerals.

An element.

Question 8

8.

What is an element?

A mixture of atoms.

A solution of gases.

A type of compound.

A pure substance that cannot be broken down.

Question 9

9.

Which is an example of a homogeneous mixture?

Pasta salad.

Granola.

Vinegar.

Oil and water.

Question 10

10.

Which sample is a mixture?

A salad with various vegetables.

Carbon dioxide gas.

sugar

water