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Quiz on Mixture vs Pure Substance

Last updated about 1 year ago

10 questions

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Question 1

1.

What is a characteristic of a mixture?

Always transparent

Has a fixed composition

Components can be easily separated

Uniform throughout

Question 2

2.

Which option represents a mixture?

Gold metal

Oxygen gas

Fruit salad

Baking soda

Question 3

3.

What is true about pure substances?

Always solid at room temperature

Variable properties

Constant properties throughout

Cannot be separated

Question 4

4.

Which of the following is a pure substance?

Saltwater

Air

Distilled water

Sugar solution

Question 5

5.

What is a characteristic of a mixture?

Components can be separated easily

Only consists of gases

Cannot be separated

Always has a uniform composition

Question 6

6.

Which of the following is a mixture?

Sand and salt

Sugar

Oxygen

Gold

Question 7

7.

How can pure substances be identified?

Constant composition and properties

Variable composition

Only solid form

Always clear

Question 8

8.

A water molecule which has carbon and hydrogen is

element

compound 

Question 9

9.

What kind of mixture has visible separate parts that do not blend?

Solution

Homogeneous mixture

Compound

Heterogeneous mixture

Question 10

10.

Which mixture type does not have uniform composition throughout?

Homogeneous mixture

Emulsion

Solvent

Heterogeneous mixture