acids and bases

Front

What ion is more present in a basic solution?

Back

OH- (hydroxide ion)

Front

What is the classification of a substance with a pH of 6.3?

Back

Weak acid

Front

What does the pH scale indicate?

Back

It indicates whether a substance is an acid or a base.

Front

List the following substances from most basic to most acidic: lemon juice (pH 2), baking soda (pH 9), bleach (pH 12), milk (pH 6).

Back

Bleach, baking soda, milk, lemon juice.

Front

What is baking soda classified as?

Back

A base.

Front

What is the pH range for acids?

Back

pH less than 7.

Front

What is the pH range for bases?

Back

pH greater than 7.

Front

What is a neutral substance in terms of pH?

Back

A substance with a pH of 7.

Front

What is an example of a strong acid?

Back

Hydrochloric acid (HCl).

Front

What is an example of a strong base?

Back

Sodium hydroxide (NaOH).