pH, acids and bases

Front

What is pH?

Back

pH is a measure of how acidic or basic a solution is, on a scale from 0 to 14.

Front

What is an acid?

Back

An acid is a substance that donates hydrogen ions (H+) in a solution.

Front

What is a base?

Back

A base is a substance that accepts hydrogen ions or donates hydroxide ions (OH-) in a solution.

Front

What is the pH range for acids?

Back

The pH range for acids is from 0 to 6.

Front

What is the pH range for bases?

Back

The pH range for bases is from 8 to 14.

Front

What is the pH of pure water?

Back

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

Front

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

Back

The pH decreases, making the solution more acidic.

Front

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

Back

The pH increases, making the solution more basic.

Front

What is a neutral solution?

Back

A neutral solution has a pH of 7, meaning it is neither acidic nor basic.

Front

What is a common property of acids?

Back

Acids typically taste sour.