Quiz on Acids, Bases, and Salts

Which of the following is a strong acid?

• Lemon juice

• Hydrochloric acid

• Soap water

• Baking soda

What is the pH value of a neutral solution?

• 1

• 7

• 10

• 14

Which of these substances is a base?

• Vinegar

• Lemon juice

• Ammonia solution

• Sugar solution

What color does litmus paper turn in an acid?

• Blue

• Red

• Green

• Yellow

Which gas is released when an acid reacts with a metal?

• Oxygen

• Nitrogen

• Hydrogen

• Carbon dioxide

True or False: Acids have a sour taste.

True or False: Bases feel rough to the touch.

Which of these is a neutral substance?

• Vinegar

• Water

• Soap

• Baking soda

What is formed when an acid reacts with a base?

• Salt and water

• Only salt

• Gas and water

• Acid and base

Which of these is an example of a natural indicator?

• Methyl orange

• Litmus

• Phenolphthalein

• None of these