Acids & Bases

Front

What is the pH scale?

Back

The pH scale is a numerical scale ranging from 0 to 14 that measures how acidic or basic a solution is.

Front

What pH value indicates a neutral solution?

Back

A pH value of 7 indicates a neutral solution.

Front

What is an acid?

Back

An acid is a substance that has a pH less than 7 and can donate protons (H+) in a solution.

Front

What is a base?

Back

A base is a substance that has a pH greater than 7 and can accept protons (H+) in a solution.

Front

What is the strongest acid on the pH scale?

Back

The strongest acid has a pH close to 0.

Front

What is the strongest base on the pH scale?

Back

The strongest base has a pH close to 14.

Front

What does a pH of 2 indicate?

Back

A pH of 2 indicates a strong acid.

Front

What does a pH of 10 indicate?

Back

A pH of 10 indicates a weak base.

Front

Which common household item is a strong base?

Back

Bleach is a common household item that is a strong base.

Front

What is the pH of blood?

Back

The pH of blood is approximately 7.4, making it slightly basic.