What does pH tell us? (#4)

In an acidic solution, the concentration of H⁺ is greater than the concentration of OH^- and the pH is

• > 7

• =7

• < 7

• cannot determine

A solution with a pH of 10 had ______________ hydronium ions than a solution with a pH of 12

• 2 times more

• 2 times less

• 10 times more

• 10 times less

The pH scale is a range from:

• 1-7
• 0-14
• 1-5
• 1-20

A(n) _______ is a substance with a pH greater than 7.

• Base
• Acid
• Buffer
• Water

Complete the sentence.
A substance that is more basic has a _____ pH than a substance that is acidic.

• lower
• higher
• the same
• none of the above

A pH of 8 is how many times more acidic than a pH of 11?

• 3

• 30

• 100

• 1000

Which is acidic?

• Blue

• Green

• Orange

• Red