ph

Front

What is a base?

Back

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

Front

What is the pH of a base?

Back

A substance with a pH greater than 7 is considered a base.

Front

What do higher numbers on the pH scale indicate?

Back

Higher numbers on the pH scale indicate a more basic (alkaline) substance.

Front

What is the range of the pH scale?

Back

The pH scale ranges from 0 to 14.

Front

Which substance is more acidic than lemon juice?

Back

Hydrochloric acid is more acidic than lemon juice.

Front

What is the pH of pure water?

Back

The pH of pure water is 7, which is neutral.

Front

What happens to pH when an acid is added to water?

Back

The pH decreases, indicating an increase in acidity.

Front

What happens to pH when a base is added to water?

Back

The pH increases, indicating an increase in basicity.

Front

What is an acid?

Back

An acid is a substance that releases H+ ions when dissolved in water.

Front

What is the pH of hydrochloric acid?

Back

Hydrochloric acid has a pH less than 1, making it very acidic.