Front

What is the pH range of an acid?

Back

1-6

Front

What is the pH of pure water?

Back

7 (Pure water is a neutral substance)

Front

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

Back

It would turn red.

Front

What are the characteristics of a base?

Back

Very bitter taste, feels slippery, produces OH- ions when dissolved in water.

Front

Which pH value represents an acid?

Back

4

Front

What is an acid?

Back

A substance that donates protons (H+) in a solution.

Front

What is a base?

Back

A substance that accepts protons (H+) or produces OH- ions in a solution.

Front

What is the pH scale?

Back

A scale that measures how acidic or basic a substance is, ranging from 0 to 14.

Front

What is a neutral substance?

Back

A substance with a pH of 7, like pure water.

Front

What color does litmus paper turn in a basic solution?

Back

It turns blue.