All Mixed Up: Solutions and Mixtures

What is a mixture?

• A substance with a uniform composition

• A combination of two or more substances that maintain their identities

• A liquid solution

• A chemical reaction between two substances

What is the difference between a mixture and a solution?

• A solution is a type of mixture with uneven distribution.

• There is no difference; they are the same.

• A mixture contains only liquids, while a solution can contain solids.

• In a solution, the substances are evenly distributed.

What is the solute in a saltwater solution?

• Sugar

• Salt

• Water

• Carbon dioxide

What is the solvent in a hot cocoa mix solution?

• Sugar

• The cocoa mix

• Water

• The milk

Which method can be used to separate sand and gravel?

• Using a magnet

• Sifting

• Boiling

• Filtration

How can you separate iron filings from sand?

• Using a magnet

• By boiling

• By dissolving in water

• Through filtration

What physical property is crucial for separating solutions?

• Magnetism

• Texture

• Boiling point

• Color

Can mixtures always be separated easily?

• No, some mixtures require specific methods to separate

• Only solid mixtures can be separated

• Yes, all mixtures can be separated easily

• Only liquid mixtures can be separated

How was the sand removed from the water in the sippy cup?

• Evaporation

• By boiling

• Using a magnet

• Through filtration

What happens to the water when boiling a saltwater solution?

• It dissolves the salt completely

• It turns into salt

• It becomes a solid

• It evaporates, leaving the salt behind