Quiz on Mixture vs Pure Substance - Jude Sanford | Laabri

1

What is a characteristic of a mixture?

Always transparent

Has a fixed composition

Components can be easily separated

Uniform throughout

1

Which option represents a mixture?

Gold metal

Oxygen gas

Fruit salad

Baking soda

1

What is true about pure substances?

Always solid at room temperature

Variable properties

Constant properties throughout

Cannot be separated

1

Which of the following is a pure substance?

Saltwater

Air

Distilled water

Sugar solution

1

What is a characteristic of a mixture?

Components can be separated easily

Only consists of gases

Cannot be separated

Always has a uniform composition

1

Which of the following is a mixture?

Sand and salt

Sugar

Oxygen

Gold

1

How can pure substances be identified?

Constant composition and properties

Variable composition

Only solid form

Always clear

1

A water molecule which has carbon and hydrogen is

element

compound

1

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

Solution

Homogeneous mixture

Compound

Heterogeneous mixture

1

Which mixture type does not have uniform composition throughout?

Homogeneous mixture

Emulsion

Solvent

Heterogeneous mixture