Acids and Bases

Front

What are acids?

Back

Acids are corrosive substances characterized by a strong smell, a sour taste, and a pH less than 7.

Front

What is the pH of pure water?

Back

Pure water has a pH of 7 and is considered a neutral substance.

Front

What type of medicine should be taken to relieve heartburn?

Back

To relieve heartburn, a person should take medicine that is basic.

Front

Do weak acids have a lower pH than stronger acids?

Back

False. Stronger acids have a lower pH than weak acids.

Front

What is the pH of bicarbonate of soda?

Back

Bicarbonate of soda has a pH of 9, making it basic.

Front

What is the pH range for acids?

Back

Acids have a pH less than 7.

Front

What is the pH range for bases?

Back

Bases have a pH greater than 7.

Front

What happens when an acid and a base react?

Back

They neutralize each other, forming water and a salt.

Front

What is an example of a common acidic substance?

Back

Lemon juice is a common acidic substance.

Front

What is an example of a common basic substance?

Back

Baking soda is a common basic substance.