Acids and Bases Quiz

Which of the following is an example of an acid commonly found in households?

• Baking soda

• Vinegar

• Ammonia

• Sodium hydroxide

What does a corrosive warning label indicate about a substance?

• It can cause skin irritation

• It is environmentally friendly

• It can burn through skin and metals

• It is safe to consume

Which safety equipment is essential when handling acids and alkalis in experiments?

• Apron

• Face mask

• Earplugs

• Goggles

What color does red litmus paper turn in the presence of an alkali?

• Red

• Yellow

• Green

• Blue

Which of the following is a strong acid?

• Concentrated sulfuric acid

• Lemon juice

• Baking soda

• Vinegar

On the pH scale, what number represents a neutral substance?

• 0

• 7

• 14

• 10

What is the advantage of using a digital pH meter over pH paper?

• It is cheaper

• It is more accurate

• It is more colorful

• It is easier to use

What does a pH value greater than 7 indicate?

• The substance is alkaline

• The substance is acidic

• The substance is corrosive

• The substance is neutral

Which chemical is used to determine the pH of a substance by changing color?

• Litmus paper

• Universal indicator

• Hydrochloric acid

• Baking soda

Why are pH meters considered more precise than pH paper?

• They are less expensive

• They are more colorful

• They are easier to dispose of

• They do not suffer from human error