pH Indicators

Front

What is pH?

Back

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

Front

What pH range indicates a strong acid?

Back

A strong acid typically has a pH range of 1-2.

Front

What is an indicator?

Back

An indicator is a substance that changes color in response to the acidity or basicity of a solution.

Front

What pH range indicates a weak acid?

Back

A weak acid typically has a pH range of 5-6.

Front

What is the pH of a neutral solution?

Back

The pH of a neutral solution is 7.

Front

How do you classify a substance with a pH of 2?

Back

A substance with a pH of 2 is classified as an acid.

Front

What happens to the color of an indicator in an acid?

Back

An indicator will change to one color in an acid, indicating its presence.

Front

What happens to the color of an indicator in a base?

Back

An indicator will change to a different color in a base, indicating its presence.

Front

What is the pH of a strong base?

Back

A strong base typically has a pH range of 12-14.

Front

What is the significance of pH in everyday life?

Back

pH affects many aspects of daily life, including the taste of food, the effectiveness of cleaning products, and the health of aquatic ecosystems.