Acids and Bases

Which of the following is a common household acid?

• Ammonia

• Baking Soda

• Bleach

• Lemon Juice

What is the pH value of a neutral solution?

• 0

• 1

• 7

• 14

Sea water has a pH of about 8.3. Which of the following is true of sea water?

• It is a weak base

• It is more basic

• It is more acidic than coffee

• It is a strong acid

Which of the following is NOT a property of an acid?

• It tastes sour

• It has a pH greater than 7

• It turns blue litmus paper red

• It can react with metals to produce hydrogen gas

Litmus paper turns red when placed in a liquid with a pH of about 5 or less. In which of the following substances will litmus paper turn red?

• Baking Soda

• Milk

• Vinegar

• Water