Acids and bases review 1

The reaction of an acid and a base produce water and a ____________________.

In the presence of an acid, the color of litmus is _____, while the color of phenolphthalein is _____.

• blue; colorless

• blue; pink

• red; blue

• red; colorless

Acids react with active metals to yield hydrogen gas.

• TRUE

• FALSE

An acid which ionizes completely in water is a _____

• base

• nonelectrolyte

• strong electrolyte

• weak electrolyte

Choose what color does a base turn phenolphthalein.

• Pink

• Green

• Blue

• Purple

In the presence of a base, the color of litmus is _____, while the color of phenolphthalein is _____.

• blue; pink

• blue; colorless

• red; blue

• red; pink

Bases tend to taste _____.

• Sweet

• Bitter

• Sour

• Salty

Bases do not react with metals in the way that acids do.

• TRUE

• FALSE

What is the pH of a neutral solution?

• 7

• 0

• 14

• 1

How many times more acidic is a solution with a pH of 2 than one with a pH of 4?

• twice as acidic

• 20 times more acidic

• 100 times more acidic

• 4 times more acidic