Separating Mixtures LAB

After filtering, what is left in the flask? *What was in the Filtrate?

• pure water

• pure salt

• salt water

• an element

After adding water to the mixture of sand and salt, what is the SOLUTE and what is the SOLVENT?

• water is the SOLUTE

  salt is the SOLVENT

• sand is the SOLUTE

  salt is the SOLVENT

• salt is the SOLUTE

  water is the SOLVENT

• water is the SOLUTE

  sand is the SOLVENT

Before filtering, what physical property allowed you to separate the iron from the mixture?

• solubility

• malleability

• magnetism

• boiling point

After filtering, what type of matter is the liquid in the flask?

• element

• compound

• homogenous mixture

• heterogenous mixture

After filtering, what is left in the filter paper?

• salt

• iron

• sand

• pure water

After filtering, what type of matter is left in the filter paper? (*HINT: The formula for sand is SiO₂)

• element

• compound

• mixture

What properties of sand and salt are used to help separate them?

• magnetism and boiling point

• magnetism and melting point

• magnetism and solubility

• solubility and particle size

What properties of water and salt are used to help separate them?

• magnetism and boiling point

• solubility and melting point

• melting point and freezing point

• different boiling points

When you began the lab, which of the following best describes the substance you were separating?

• It is a mixture of three substances that are chemically bonded together.

• It is a mixture of three substances that are physically mingled together.

• It is a compound of three substances that are chemically bonded together.

• It is a pure substance that must be chemically seperated.

In what form is MATTER most commonly found here on Earth?

• as elements

• as compounds

• as mixtures