Front

What are the characteristics of acids?

Back

Acids typically taste sour, can conduct electricity, and turn blue litmus paper red.

Front

What is the pH scale used for?

Back

The pH scale measures the acidity or basicity of a solution, ranging from 0 (very acidic) to 14 (very basic), with 7 being neutral.

Front

What is the pH of pure water?

Back

Pure water has a pH of 7, which means it is neutral.

Front

What is another name for a base?

Back

A base is also known as an alkaline substance.

Front

What is the average pH range of apple cider?

Back

Apple cider has an average pH between 3.1 and 4.1, indicating it is acidic.

Front

What happens to litmus paper when it is exposed to an acid?

Back

Litmus paper turns red when exposed to an acid.

Front

What happens to litmus paper when it is exposed to a base?

Back

Litmus paper turns blue when exposed to a base.

Front

What is the definition of a neutral substance?

Back

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

Front

What is the significance of a pH of 0?

Back

A pH of 0 indicates a very strong acid.

Front

What is the significance of a pH of 14?

Back

A pH of 14 indicates a very strong base.