Acids and Bases

Which is the correct set of acid properties?

• sour taste, corrosive, change litmus from red to blue

• sour taste, corrosive, change litmus from blue to red

• sweet taste, slippery, change litmus from blue to red

• sour taste, slippery, change litmus from blue to red

Neutral solutions have a pH of:

• 0

• 1

• 7

• 14

NaOH may be found in drain cleaners and as a component of soaps. Is NaOH an acid or a base?

• Acid

• Base

• Neither (Neutral)

HCl is found in household products, including some toilet bowl cleaners. Is HCl an acid or a base?

• Acid

• Base

• Neither (Neutral)

turns blue litmus paper red

• acid
• base

turns red litmus paper blue

• base
• acid

pH below 7

• base
• acid

pH above 7

• acid
• base

neutralizes acids

• base
• acid

pH 9

• acid 
• base