Chapter 8 Test Pt. 1

Front

What is an electrolyte in chemistry?

Back

An electrolyte is a substance that produces ions in solution and conducts electricity.

Front

What are the 3 major cations that will cause a substance to be insoluble, except for nitrates, acetates, and perchlorates?

Back

Lead, Silver, and Mercury.

Front

What is the form of a decomposition reaction?

Back

AB -> A + B.

Front

Which compound is insoluble in water?

Back

Barium sulfate (BaSO4).

Front

What does it mean that something is insoluble in water?

Back

A substance that is insoluble in water does not dissolve in it.

Front

What is a cation?

Back

A cation is a positively charged ion.

Front

What is a common property of electrolytes?

Back

Electrolytes conduct electricity when dissolved in water.

Front

What is the difference between soluble and insoluble substances?

Back

Soluble substances dissolve in water, while insoluble substances do not.

Front

What is the general equation for a synthesis reaction?

Back

A + B -> AB.

Front

What is the role of water in dissolving ionic compounds?

Back

Water molecules surround and separate the ions, allowing them to disperse.