Food Science Semester 1 Exam

Front

Solutions have ______________ sized particles.

Back

small

Front

Colloids have _________________ sized particles.

Back

medium

Front

Suspensions have _________________________ sized particles.

Back

large

Front

A __________________ is a substance that has definite physical and chemical properties such as appearance, melting point, and reactivity.

Back

pure substance

Front

A _________________ mixture is one where the substances are evenly spread throughout.

Back

homogeneous

Front

What is the main characteristic of a suspension?

Back

Particles settle upon standing.

Front

What type of mixture separates upon standing?

Back

Suspension

Front

Define a pure substance.

Back

A material with a constant composition and consistent properties.

Front

What is a heterogeneous mixture?

Back

A mixture where the components are not uniformly distributed.

Front

Give an example of a colloid.

Back

Milk is a colloid because it contains fat globules dispersed in water.