Acids, Bases, Buffers and pH

Vinegar is an example of  __________

• A base
• An acid
• A neutral substance

When found in food, acids are ________

• Sour
• Bitter
• Salty
• Slippery

What are properties of acids?

• Bitter, slippery, ph above 7
• Sour, reacts with metals, ph below 7
• Sour, reacts with metals, ph above 7
• Bitter, ph of 7, does not react with metals

What are properties of a base?

• Slippery, bitter, does not react with metals, pH above 7.
• Slippery, bitter, reacts with metals, pH below 7.
• Sour, reacts with metals, pH below 7
• Sour, reacts with metals, pH above 7.

tastes sour

• acid
• base

Which food is the most acidic?

• bananas
• lemon juice
• orange juice
• fish

According to the pH range which substance is more acidic than lemon juice

• Hydrochloric acid
• cabbage
• milk
• lye

if pH is 7 what is the substance acidic, Base, neutral, or neither

• Acidic
• Base
• Neutral
• neither

A solution with a pH of 8.6 would be...

• Acid
• Base
• Neutral
• Acid and Base

This substance releases OH- into solution

• Acid
• Base
• Neutral