Mixtures and Separating Mixtures

Tick the correct statements about pure substances.

• only made up of only one type of element

• only made up of only one type of compound

• can't be separated into anything simpler without a chemical reaction.

Choose the three examples of a mixture in the options below.

• Sea water

• Oxygen

• Air

• Sodium Chloride

• Ink

I added 10g of salt to 100g of water. It dissolved completely.

What is the mass of the salt solution?

• 10g

• 90g

• 100g

• 110g

Tick the four methods for separating mixtures

• Filtration

• Evaporation

• Chromatography

• Distillation

• Sublimation

Which piece of equipment is not needed for carrying out simple distillation?

• A fractioning column

• A thermometer

• A condenser

A sweet was tested to find out which food dyes it contained. It was compared to four other sweets - A, B, C and D.

Which separation method was used to test the sweets?

• Filtration

• Evaporation

• Chromatography

• Distillation

Which sweet is the same as the sample sweet?

• A

• B

• C

• D