Front

What do acids produce when dissolved in water?

Back

Hydrogen ions (H+) are produced when acids are dissolved in water.

Front

Which substance is most likely to be basic?

Back

Laundry detergent is most likely to be basic.

Front

What is the pH of a stronger acid?

Back

A lower pH indicates a stronger acid; for example, pH 1 is stronger than pH 4.

Front

In a basic solution, which ion is more present?

Back

Hydroxide ions (OH-) are more present in a basic solution.

Front

What does pH measure?

Back

pH measures the concentration of hydrogen ions (H+) in a solution.

Front

Define an acid.

Back

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

Front

Define a base.

Back

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

Front

What is the pH scale range?

Back

The pH scale ranges from 0 to 14, with 7 being neutral.

Front

What is a neutral solution?

Back

A neutral solution has a pH of 7, meaning it has equal concentrations of H+ and OH- ions.

Front

What happens to pH as acidity increases?

Back

As acidity increases, the pH value decreases.