Acidic Bases

What is a base in chemistry?

• A substance that tastes sour

• A substance that tastes bitter and feels slippery

• A substance that is neutral

• A substance that tastes sweet

Which of the following is an example of a base?

• Lemon juice

• Vinegar

• Baking soda

• Orange juice

What happens when a base is dissolved in water?

Which of the following is a property of bases?

• They turn red litmus paper blue

• They turn blue litmus paper red

• They have a sour taste

• They are neutral

What is the pH range of a basic solution?

• 0-3

• 4-6

• 7

• 8-14

Which of the following is a common household base?

• Vinegar

• Lemon juice

• Ammonia

• Apple juice

What is the opposite of a base in chemistry?

• A salt

• An acid

• A metal

• A non-metal

What color does phenolphthalein turn in a basic solution?

• Red

• Blue

• Pink

• Yellow

Which of the following is NOT a property of bases?

• They feel slippery

• They taste bitter

• They turn blue litmus paper red

• They can conduct electricity

What is the chemical formula for sodium hydroxide, a common base?