Enzymes & pH

An acid is a substance that releases

• H+ is water

• H- in water

bases are slippery

• true

• false

On the pH scale numbers higher than 7 indicate

• acids

• bases

If you have a substance with a pH of 7.1 it is a(n).....

• Acid

• base

A pH of 14 is a .....

• strong acid

• weak acid

• Strong base

• Weak base

A(n) ______ is a substance with a pH less than 7

• Acid

• Alkaline

• Base

• Buffer

Which of the following is true about acids and bases?

• The lower the pH, the stronger the acid

• the higher the pH, the stronger the acid

• The lower the pH, the more neutral the acid

• The higher the pH, the weaker the base

Is this substance acidic, basic, or neutral?

• Acidic

• Basic

• Neutral

A solution with a pH of 3.6 would be...

• Acid

• Base

• Neutral

• Acid and Base

A solution with a pH of 7.0 would be...

• Acid

• Base

• Neutral

• Acid and Base