Understanding Mixtures and Solutions

What is a solution?

• A type of mixture where substances are evenly distributed

• A solid material

• A type of gas

• A type of metal

Which of the following is an example of a solid-liquid solution?

• Salt in water

• Air

• Oil and water

• Sand and iron filings

What is the process called when a liquid turns into a gas?

• Evaporation

• Condensation

• Filtration

• Freezing

Tags

NGSS.MS-PS1-4

Which technique is used to separate a mixture of sand and water?

• Filtration

• Evaporation

• Distillation

• Magnetism

What is the main property of a solution?

• It is always a solid

• It is a mixture where substances are evenly distributed

• It is always a gas

• It is a mixture where substances are not evenly distributed

Which of the following is an example of a gas-gas solution?

• Air

• Saltwater

• Oil and vinegar

• Sand and gravel

What is the process of separating a mixture by pouring off the liquid called?

• Decantation

• Filtration

• Distillation

• Evaporation

Which of the following is a property of a solution?

• It has a uniform composition

• It is always cloudy

• It can be easily separated by hand

• It is always a solid

Which technique is used to separate a mixture of iron filings and sand?

• Magnetism

• Filtration

• Evaporation

• Distillation

What is an example of a liquid-liquid solution?

• Vinegar in water

• Sand in water

• Oil and water

• Iron filings and sand