pH, chemistry and water

Front

What is a base?

Back

A base is a substance that releases OH- ions when dissolved in water.

Front

What is the range of the pH scale?

Back

The pH scale ranges from 0 to 14.

Front

Which two subatomic particles are located in the nucleus of an atom?

Back

Protons and Neutrons.

Front

Between which subatomic particles do bonds form?

Back

Bonds form between Electrons.

Front

What is a substance with a pH less than 7 called?

Back

An Acid.

Front

What is the pH of pure water?

Back

The pH of pure water is 7.

Front

What does a pH greater than 7 indicate?

Back

A pH greater than 7 indicates a basic (alkaline) solution.

Front

What is the significance of the pH scale in chemistry?

Back

The pH scale measures the acidity or basicity of a solution.

Front

What is an example of a strong acid?

Back

Hydrochloric acid (HCl) is an example of a strong acid.

Front

What is an example of a strong base?

Back

Sodium hydroxide (NaOH) is an example of a strong base.