Acids and Bases Quiz

A sour taste is a characteristic of:

• acids

• bases

• neutral

• pH scale

Which is a characteristic of a base?

• tastes sour

• found mostly in foods

• feels slippery

• turn litmus paper red

pH is the measure of the concentration of ______.

• Acids

• H+ ion

• OH- ion

• Bases

If a solution is basic which ion will be more present?

• H+
• K+
• OH-
• H-

What is the pH of water?

• 7.0

• 0.0

• 1.0

• 14.0

Answer explanation

Pure water is perfectly neutral, with a pH of 7.

Bases are located where on the pH scale?

• any number can be a base

• below 7

• above 7

• number 7 is a base

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

• blue
• black
• green
• red

A substance that is a 10 on the pH scale would be a(n) ____.

• acid

• neutral

• base

• indicator

At what location on the pH scale can you find acids?

• number 7 on the pH scale is acidic

• below 7

• above 7

• you can find acids all throughout the scale

Which are characteristics of ACIDS? (select all that apply)

• taste sour

• corrosive to metals

• we can eat weak acids safely

• pH 0-7

• turns litmus paper blue