0509-W053(H) MIXTURES PART 1

What is a mixture?

• A combination of two or more substances that are not joined

• A solution that cannot be separated

• A combination of elements that are chemically bonded

• A single substance with uniform composition

Which of the following is an example of a mixture?

• Air

• Salt

• Water

• Gold

What can be easily separated from a mixture?

• Substances that are chemically bonded

• Compounds

• Elements

• Substances that are just mixed up

What is an example of a mixture of elements?

• Saltwater

• Carbon dioxide

• Toothpaste

• Iron and copper nails

What is the main component of toothpaste?

• A solution

• A mixture of compounds

• A mixture of elements

• A single compound

Which of the following is a useful application of mixtures?

• Making alloys

• Creating pure water

• Isolating elements

• Forming compounds

What happens when Prita evaporates water from salt?

• She separates the mixture

• She creates a solid

• She forms a solution

• She creates a new compound

Which of the following is NOT a mixture?

• Air

• Saltwater

• Sugar

• Sand and salad

What type of mixture is air classified as?

• A pure substance

• A mixture of elements and compounds

• A mixture of elements only

• A mixture of compounds only

How can Prema separate stones from rice?

• By filtering the mixture

• By dissolving the rice

• By picking them out

• By heating the mixture