Separating a Mixture Lab Exit Ticket

What is the difference between a pure substance and a mixture?

• A pure substance consists of a single type of particle, while a mixture contains two or more different substances that are not chemically combined.

• A pure substance can be separated by physical means, while a mixture cannot.

• A mixture has a fixed composition, while a pure substance does not.

• A mixture is always liquid, while a pure substance can be in any state of matter.

When salt is dissolved in water, what role does the water play in the solution?

• Solvent

• Solute

• Solution

• Precipitate

How can you determine if a saltwater solution is saturated?

• No more salt can be dissolved in the water.

• The water starts to evaporate.

• The salt begins to precipitate out of the solution.

• The solution turns cloudy.

If 36 grams of salt were dissolved in 100 mL of water, what is the concentration of the solution in grams per milliliter (g/mL)?

• 0.36 g/mL

• 3.6 g/mL

• 36 g/mL

• 360 g/mL

When you make a solution, is this a physical or chemical change?

• Physical change

• Chemical change

• Both physical and chemical change

• Neither physical nor chemical change

How does the solubility of salt (NaCl) in water change as the temperature increases?

• It decreases

• It does not change

• It increases

• It first increases, then decreases

Which method could be used to separate a mixture of iron filings and sand?

• Filtration

• Distillation

• Magnetic separation

• Evaporation

What method would you use to separate a solution of sugar and water?

• Filtration

• Distillation

• Magnetic separation

• Decantation

How would you separate a mixture of cereal in milk?

• Filtration

• Distillation

• Magnetic separation

• Evaporation

What does filtration separate in mixtures?

• It separates mixtures by heating them to create vapor.

• It separates mixtures by using a filter to trap larger solid particles while allowing liquids or smaller particles to pass through.

• It separates mixtures by allowing a solvent to move up the paper.

• It separates mixtures by sorting the components based on their magnetism.