Acid Bases and Indicators Chapter Review

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

• acid

• base

• neutral

• solute

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

Which of the following is NOT a characteristic of an acid?

• sour taste
• corrosive
• it feels slippery
• it can burn the skin

A substance that is a 10 on the pH scale would be a(n) ____.

• acid
• neutral
• base
• indicator

At what location on the pH scale can you find acids?

• number 7 on the pH scale is acidic
• below 7
• above 7
• you can find acids all throughout the scale

What is the [H⁺] if the pH is 4.0?

• 1.0 x 10^-10 M

• 1.0 x 10^-4 M

• 1.0 x 10^-14 M

• 1.0 x 10^-7 M

What is the pOH of a 1 x 10^-8 M solution of HNO₃?

• 8

• 6

• 7

• 9

What is the pH of a solution where the [H+] is 1.0 x 10^-11?

• 11

• 13

• 14

• 1

The pH of a solution is 2.0. What is the [OH^-] concentration?

• 1x10^-12M

• 12 M

• 1x10^-2M

• 2 M