Acids and Bases Final Exam Review 2022-2023

Front

What is the pH scale?

Back

The pH scale measures how acidic or basic a substance is, ranging from 0 (very acidic) to 14 (very basic), with 7 being neutral.

Front

What does it mean if a substance turns blue litmus paper blue?

Back

It indicates that the substance is a base.

Front

What are the products of a neutralization reaction between an acid and a base?

Back

Water and a salt.

Front

What is a neutral solution?

Back

A solution with a pH of 7, where the concentrations of hydrogen ions and hydroxide ions are equal.

Front

What is an acid?

Back

A substance that donates hydrogen ions (H+) in a solution and has a pH less than 7.

Front

What is a base?

Back

A substance that accepts hydrogen ions (H+) or donates hydroxide ions (OH-) in a solution and has a pH greater than 7.

Front

What is the pH of ocean water?

Back

Ocean water is slightly basic, typically around pH 8.

Front

What happens when an acid and a base of equal strength are mixed?

Back

They neutralize each other, resulting in a neutral solution.

Front

What is a buffer?

Back

A buffer is a solution that resists changes in pH when small amounts of acid or base are added.

Front

What is the significance of a pH of 0?

Back

A pH of 0 indicates a very strong acid.