Let's separate mixtures

Let's separate mixtures

Review Time!!!

Methods of Separating Mixtures

Different Methods

Multiple Choice

This method is a technique used in separating a less-dense substance from a denser one.

• decantation

• evaporation

• distillation

• filtration

Multiple Choice

This technique is based on the differences of the boiling point of the substance in the mixture.

• decantation

• distillation

• filtration

• chromatography

Multiple Choice

This involves using a strainer or a big screen to separate the components of solid mixtures.

• chromatography

• distillation

• sieving

• physical manipulation

Multiple Choice

This method is useful in a pharmaceutical industry in determining the amount of each chemical in each product.

• distillation

• chromatography

• sieving

• decantation

Multiple Choice

This method is used in separating soluble solid from a liquid such as salt from water.

• evaporation

• distillation

• decantation

• filtration

Multiple Choice

This method is utilized in industries like junkyards to remove metal scraps from other materials.

• chromatography

• physical manipulation

• use of magnet

• distillation

Multiple Choice

Which environmental problems can be separated by physical means?

• garbage in the landfill

• flood

• global warming

• contaminated rivers and lakes

Multiple Choice

Which method is helpful in determining the harmful components in food? (ex. melamine in food sample)

• use of magnet

• filtration

• distillation

• chromatography

Multiple Choice

Which one of the following techniques would best be used to separate soil and water?

• Decanting

• Distillation

• Filtration

• Chromatography

Multiple Choice

What is the filtration method used for?

• To separate a liquid from a gas

• To separate a liquid from a solid

• To separate a liquid from a liquid

• To separate a solid from a solid

Multiple Choice

A heterogeneous mixture can be separated by all of the following methods

EXCEPT ____

• filtration

• decantation

• distillation

• mechanical separation

Multiple Choice

Which mixture could you separate by adding water and then pouring through a coffee filter?

• sand and salt, because the salt would dissolve and the sand would not

• baking soda and salt, because they both dissolve

• sugar and salt, because they both dissolve

• iron fillings and sand, because neither one dissolves

What's your score?

What is hard for you?

What are the different methods of separating mixtures?

Questions???

See you next meeting!!!