Acids and Bases

Front

What is the pH of a neutral solution?

Back

7

Front

What happens when acids and bases are mixed together?

Back

They neutralize each other.

Front

What is an acid?

Back

A substance with a pH less than 7.

Front

What does litmus paper indicate when testing cooking oil?

Back

The oil is neutral.

Front

What are the properties of acids?

Back

Sour taste, corrosive, change litmus from blue to red.

Front

What is a base?

Back

A substance with a pH greater than 7.

Front

What is the pH range of acids?

Back

0 to less than 7.

Front

What is the pH range of bases?

Back

Greater than 7 to 14.

Front

What is a buffer?

Back

A solution that resists changes in pH when small amounts of acid or base are added.

Front

What is the effect of acids on metals?

Back

Acids can corrode metals.