Unit15:Mixtures

Which of the following is a mixture?

• Elements

• Solids

• Solutions

Which of the following is not a mixture?

• Compounds

• Colloids

• Solutions

Which of the following is a mixture?

• Suspension

• Solids

• Pure Water

Identify the correct combination of solute, solvent, and solution.

• Salt, water, Saltwater

• Water, salt, mixture

• Solution, salt, water

• Seawater, water, salt

What is a difference between a solution and a suspension?

• Solutions are homogeneous, suspensions are heterogeneous.

• Solutions are heterogeneous, suspensions are homogeneous

• Solutions can be separated by filtering, suspensions cannot

• Solutions can be separated by decantation, suspensions cannot

Which method is best suited to separate a mixture of sand and water?

• Filtration

• Sorting

• Magnetic separation

• Evaporation

What is the purpose of separating mixtures?

• To create new substances

• To identify elements

• To remove impurities

• To generate heat

Which of the following is a type of mixture?

• Solution

• Suspension

• Colloid

• All of the above

Which of the following is a solution?

• Salt water

• Sand and water

• Milk

• Air

Which of the following is a suspension?

(A)

• Mud

• Salt water

• Salad

• All of the above