Mixtures of Matter

A combination of two or more pure substances in which each pure substance retains its individual chemical properties is a(n)

• atom

• element

• mixture

• salad

Select all that apply. Which statements comparing pure substances and mixtures are true?

• Most everyday matter occurs as pure substances, not mixtures.

• LIke pure substances, mixtures have uniform and unchanging composition.

• When pure substances combine in a mixture, they retain their chemical properties.

• A mixture is a combination of two or more pure substances.

Which is a mixture that does not blend smoothly throughout and in which the individual substances remain distinct?

• homogeneous mixture

• compound

• alloy

• heterogeneous mixture

Select all that apply

Which statements about heterogeneous and homogeneous mixtures are true?

• Homogeneous mixtures have constant composition throughout the mixture.

• Orange juice with pulp is a homogeneous mixture.

• Heterogeneous mixtures do not blend smoothly throughout.

• A silver mercury amalgam is a heterogeneous mixture.

• The existence of two or more distinct areas indicates a heterogeneous mixture.

Which is a mixture that has constant composition throughout and always has a single phase?

• heterogeneous

• homogeneous

• mechanical

Which is a combination of two or more pure substances in which each pure substance retains its individual chemical properties?

• compound

• mixture

• element

All homogeneous mixtures can also be called ______.

• solutions

• alloys

• suspensions

• colloids

Matter that is made up of two or more substances is a(n)

• ice cream sandwich

• mixture

• compound

• element

A mixture that does not blend smoothly throughout and in which the individual substances remain distinct is called a(n) ________________________ mixture.

• heterogeneous

• homogeneous

A solid-solid solution system made up of two or more metals is called a(n)

• aluminum

• alloy

• soup

• composition