Acids and Bases

Front

What do acids produce when they react with metals?

Back

Hydrogen gas and salt.

Front

What color does litmus paper turn when it comes in contact with a base?

Back

It stays blue.

Front

What pH value represents an acid?

Back

A pH value less than 7, for example, 4.

Front

What is an example of a base?

Back

Baking soda in water.

Front

What are some properties of acids?

Back

They conduct electricity when dissolved in water, taste sour, and react with metals to produce hydrogen gas.

Front

What is the pH range for acids?

Back

pH less than 7.

Front

What is the pH range for bases?

Back

pH greater than 7.

Front

What happens to blue litmus paper when it comes in contact with an acid?

Back

It turns red.

Front

What is a common use of acids in everyday life?

Back

Vinegar is an acid used in cooking.

Front

What is a common use of bases in everyday life?

Back

Baking soda is a base used in baking.