Acids and Bases Quiz

Which of the following is a property of acids?

• They feel slippery.

• They do not react with metals.

• They turn blue litmus paper red.

• They taste bitter.

What is a common characteristic of bases?

• They are non-electrolytes.

• They produce hydrogen gas when reacting with metals.

• They turn red litmus paper blue.

• They taste sour.

Which of the following substances is considered basic?

• Apple

• Lemon juice

• Ammonia

• Vinegar

What pH value represents a neutral solution?

• 0

• 7

• 14

• 7.5

Which substance is likely to have a pH close to 14?

• Milk

• Sodium hydroxide

• Lemon juice

• Vinegar