Chemistry Spring Review 2022

Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?

• strongly acidic
• slightly acidic
• strongly basic
• slightly basic

Zn(OH)₂ is an example of a...

• acid

• base

• salt

• water

H₃PO₄ is an example of a ...

• acid

• base

• salt

• non-electrolyte

Phenolphthalein is pink in an aqueous solution having a pH of

• 2

• 7

• 5

• 12

If a solution has a pH of 1.5, then litmus would turn

• red

• purple

• blue

• yellow

An indicator will ______________ when it is in contact with an acid or base

• Bubble
• Form a new substance
• Change color
• Stay the same color

A type of chemical that forms solutions that taste sour, due to high concentrations of positive hydrogen ions

• acid

• base

• salt

• pH

Identify the salt in the following equation:
Zn(OH)₂ + HNO₃   ---> H₂O  + Zn(NO₃)₂

• Zn(OH)₂
• HNO₃
• H₂O
• Zn(NO₃)₂

What are the products to a neutralization reaction?

• H₂ + Ionic Salt
• H₂O + Ionic Salt
• H₃O⁺ + Ionic Salt
• OH^- + Ionic Salt

Complete the following reaction:

HCl + Mg(OH)₂ -->

• MgCl₂ + H₂O

• Mg +H₂O

• MgCl₂ + H₂

• MgCl₂ + H₂O + CO₂