Acids & Bases - Part 2

​acids & bases - Part 2

Multiple Choice

A substance that conducts an electrical current when dissolved in water is called

• catalyst

• metalloid

• electrolyte

• nonelectrolyte

Multiple Choice

The pH scale is a range from:

• 1-7

• 0-14

• 1-14

• 1-20

Multiple Choice

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

• Acid

• Alkaline

• Base

• Buffer

Multiple Choice

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

• Base

• Acid

• Buffer

• Water

Multiple Choice

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

• Hydrochloric acid

• cabbage

• milk

Multiple Choice

Indicators are used to test if a solution is ________________

• Sweet or Sour

• Acidic or Basic

• Fresh or Bitter

• Sour or Bitter

Multiple Choice

Acid-Base indicators can tell the difference between an acid or base based on the change in ___________

• Smell

• Color

• Taste

• Feel

Multiple Choice

Litmus paper changes color to ___________ in an acid.

• Blue

• Green

• Yellow

• Red

Multiple Choice

Litmus paper changes color to ___________ in an alkaline.

• Blue

• Green

• Yellow

• Red

Multiple Choice

For a solution, pH + pOH =

• 7

• 14

• 1.0 x 10^-14

• -log (1.0 x 10 ^-14)

Multiple Choice

If the pH of a solution is 4.0, what is the pOH?

• 4.0

• 10.0

• 1.0 x 10 ^-4

• cannot be determined from the information

Multiple Choice

If the [H₃O⁺] of a solution is 1 x 10^-3 M, the pH is

• 11

• -3

• 3

• 1

Multiple Choice

Which of the following is a neutralization reaction?

• 2Na + Cl₂ → 2NaCl

• CH₄ + 2O₂ → CO₂ + 2H₂O

• HCl + KOH → KCl + H₂O

• CaCO₃ → CO₂ + CaO

Multiple Choice

Complete the following reaction:

HCl + Mg(OH)₂ -->

• MgCl₂ + H₂O

• Mg +H₂O

• MgCl₂ + H₂

• MgCl₂ + H₂O + CO₂