Separation Techniques

Which picture is a mixture?

• A

• B

• C

• D

Which picture shows a pure substance?

• A

• B

• C

• A, C, D

This image represents

• A mixture of compounds and elements

• Atoms of a pure solid

• A gaseous compound

• A solid mixture

Which one of the following is the name for separation technique in the picture below

• distillation
• seiving
• evaporation
• decanting

Filter paper is like a sieve with __________ holes

• Large
• Tiny

You can use filtering to separate soluble and ______________ substances

• Soluble
• Insoluble

Substances that do not dissolve are said to be ______________

• Soluble
• Insoluble

Substances that dissolve in a liquid are said to be _____________

• Soluble
• Insoluble

Which one of the following solids is insoluble in water?

• sugar
• sand
• copper sulfate
• salt

What would you do to separate salt from salty water? (you need to get salt)

• Filtration

• Distillation

• Chromatography

• Evaporation