Mixtures and Separation Techniques

Bellwork 8/29 - Phys+Chem

Please make sure you complete your bellwork if you have not already done so!

​These notes should be on page 27!

Classification of Matter

​Please draw this: We already talked about pure substances, elements and compounds. Today you will learn about the 2 types of mixtures.

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​Heterogenous

Homogenous

Multiple Choice

What is this?

• Element

• Compound

• Homogeneous Mixture

• Heterogeneous Mixture

Multiple Choice

Chicken noodle soup

• heterogeneous mixture
• homogeneous mixture

Multiple Choice

• Element

• Compound

• Homogeneous Mixture

• Heterogeneous MIxture

Multiple Choice

What is it?

• element

• mixture

• compound

• Mixture of elements

Multiple Choice

Which of these is a mixture?

• Laundry Detergent

• Salt (NaCl)

• Oxygen (O)

• Fluorine (Fl)

Multiple Choice

Air is:

• An element

• A compound

• A mixture

• None of these

Multiple Choice

Matter is either a ____________________________ or a ___________________.

• compound, element

• substance, compound

• substance, mixture

• mixture, element

Separation Techniques

​You don't have to draw the pictures :)

Multiple Choice

Name the separation technique

• Distillation

• Crystallisation

• Magnetic Separation

• Condensation

Multiple Choice

Which of the following techniques can we use to separate homogeneous mixtures?

• Crystallisation

• Distillation

• Evaporation

• All of the above

Multiple Choice

Which separation technique is used to obtain salt from seawater?

• Simple distillation

• Filtration

• Chromatography

• Evaporation

Multiple Choice

Name the separation technique

• Centrifuge

• Crystallisation

• Distillation

• Evaporation

Multiple Choice

Name the separation technique

• Filtration

• Evaporation

• Distillation

• Separation

Multiple Choice

True or false: Magnets can be used to separate iron filings from sand

• True

• False

Multiple Choice

Filtration can be used to separate...

• an insoluble solid from a solution

• a soluble solid from a solution

• a dissolved solid from a solution

Multiple Choice

The change of a liquid to a gas to remove solvent and collect solute is called

• Decantation

• Filtration

• Evaporation

• Centrifuge