pH Scale in Simple Terms

What does pH stand for?

• Potential of hydrogen

• Power of heat

• Pressure of helium

• Purity of water

What number on the pH scale represents a neutral substance?

• 0

• 7

• 14

• 5

Which of these substances is an acid?

• Bleach

• Hand soap

• Milk

• Lemon juice

If a substance has a pH of 5, how much more acidic is it than a substance with a pH of 6?

• 2 times

• 5 times

• 10 times

• 100 times