Food Science Semester 1 Exam

Front

What is the smallest unit of an element that maintains the properties of that element?

Back

Atoms

Front

What is a substance that has definite physical and chemical properties such as appearance, melting point, and reactivity?

Back

Pure substance

Front

Which of the following is a pure substance: Sand and water, Salt (NaCl), Fruit salad, Milk?

Back

Salt (NaCl)

Front

What is the main characteristic of a suspension?

Back

Particles settle upon standing.

Front

What is an example of a heterogeneous mixture?

Back

Oil and vinegar.

Front

What is a mixture?

Back

A combination of two or more substances that retain their individual properties.

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together.

Front

What is the difference between a homogeneous mixture and a heterogeneous mixture?

Back

Homogeneous mixtures have a uniform composition, while heterogeneous mixtures do not.

Front

What is the definition of a solution?

Back

A homogeneous mixture where one substance is dissolved in another.

Front

What is the process of separating a solid from a liquid in a suspension called?

Back

Filtration.