Solutions Acids & Bases

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-

A substance that is 3 on the pH scale would be a(n):

• acid

• base

• neutral

• solute

Which one of the following is an example of a base?

• orange juice
• dish soap
• vinegar
• lemons

A substance that changes color when mixed with an acid or base is a(n) ___.

• indicator
• neutralizer
• corrosive
• electricity

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

• blue
• black
• green
• red

Bases are located where on the pH scale?

• any number can be a base
• below 7
• above 7
• number 7 is a base

Bleach and oven cleaner are:

• strong acids
• weak acids
• strong bases
• weak bases