Acids and Bases by Alex T
Home
Overview
Definitions
Properties
Uses
Indicators
Molarity
pH/pOH
Practice Quiz
Strength and Concentration
Conjugate Acid and Base
Neutralization Reaction
Making Salts
Buffers
Titration
Final Test
Glossary
Final Test
1) How do bases taste?
a) Bitter
c) Soapy
b) Sour
d) Magnificent
2) What does the
Arrhenius Theory state about acids?
a) An acid is a proton donor.
c) When an acid dissolves in H20 it produces H+ ions
b) An acid is an electron pair acceptor.
d) When an acid dissolves in H20 it forms OH- Ions
3) How do you make a base?
___?____ + Water -> Base
a) Carbonate + Water -> Base
c) Acid + Water -> Base
b) Nitrate + Water -> Base
d) Metal oxide + Water -> Base
4) What color does Blue litmus paper turn into in an acid?
a) Blue
c) Pink
b) Red
d) Purple
5) True or False?
The higher the the molarity, the less concentration of H+ ions in acids or OH- ions in bases.
True
False
6) Determine the H+, OH-, pH and pOH for each problem.
Answer B
a) H+=1.31e-6, pH=8.12 OH-=7.59 e-9
c) H+=1.31e-6, pH=5.88, OH-= 1.31e-6
b)
H+=7.59 e-9, pH=8.12
OH- =
1.31e-6,
d) H+=8.59 e-8 pH= 9.12 OH- = 2.31 e-6
7)
A strong acid dissociates completely or partially to form hydrogen ions?
a) Completely
b) Partially
8) When an acid is combined with a base it creates?
a) Salt + Carbonate
c) Salt+Water
b) Carbonate + Water
d) Salt + Hydrogen
9) When making salts if Sulfuric Acid (H2SO4) what category of salts are created?
a) Nitrates
c) Sulfates
c) Carbonates
d) Markmolates
10) What are properties of buffer?
a) A buffer cannot Resist pH change
c) Made up of a strong-conjugate base pair
b) Can make a car look clean
d) A buffer is a solution the can resist pH change
11. Calculate the moles of an acid with a volume of 70 cc and a molarity of 0.5.
a) 350 moles
c) 70 moles
b) 35 moles
d) 0.05 moles
12. Which answer is true about acids and bases?
a) An acid is an electron pair acceptor
c) A base is a proton acceptor
b) A base is an electron pair donor
d) All are true
13. Which is a common use of bases and alkalis?
a) Guitars
c) Candles
b) Soap
d) Sour patch kids
14. If the pOH is 13 is the solution a base or an acid?
a) The solution is acidic
b) The solution is basic
15. What is the equation for finding the unknown concentration in a solution?
a)M1M2=V1V2
c)2(M1/V1)=M2/V2
b) M1V1=M2V2
d) M1V2=M2V1
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