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WorksheetsAcids and Bases Basics
Total questions: 30
Worksheet time: 21mins
When a hydronium ion is released what does the solution become?
Basic
Acidic
Amphoteric
Proton
If I add more chicken soup to this setup, what will happen to the pH?
It will increase and get closer to 7
It will decrease and get closer to 0
It will stay the same and not change
If I add more water to this setup, what will happen to the pH?
It will increase and get closer to 7
It will decrease and get closert to 0
It will stay the same and not change
Which of the following are properties of acids?
They conduct electricity when dissolved in water
They taste sour
They react with metals to produce hydrogen gas
All of the answer choices are correct
The substance in the beaker
In pure water, the concentration of OH- is __________ the concentration of H3O+
greater than
smaller than
the same as
unrelated to
The pH of a solution is near 13. Therefore the molarity of _________ is greater than _________.
H3O+, OH-
OH-, H3O+
In this type of reaction, a substance ionizes when one molecule of the substance reacts with another molecule of the same substance.
Autoionization
Base Ionization
Acid Ionization
Water Ionization
They are substances that ionize (break off) in an aqueous solution to produce hydroxide (OH-) ions in solution according to _____.
Acid - Bronsted Lowry
Base - Bronsted Lowery
Acid - Arrhenius
Base - Arrhenius
Acid - Lewis
[H+] > [OH-]
Check all of the following that are properties of bases:
They are slippery
They taste sour
They conduct electricity
They have a pH higher than 7
They react with metals to produce hydrogen gas
Check all that apply: According to the Arrhenius definition:
An acid contains H and releases H+ ions in solution
An acid contains OH and releases OH- in solution
A base contains OH and releases OH- in solution
A base contains H and releases H+ ions in solution
The magnitude of Kw indicates that ______________.
water autoionizes very slowly
water autoionizes very quickly
water autoionizes only to a very small extent
the autoionization of water is exothermic
Which of the following is the correct definition for a strong acid?
Partially dissociates into ions when dissolved in water and the change is not reversible
Fully dissociates into ions when dissolved in water and the change is not reversible
Fully dissociates into ions when dissolved in water and the change is reversible
Partially dissociates into ions when dissolved in water and the change is reversible
Which of the following is the correct balanced equation showing the dissociation of sulfuric acid into ions?
H2SO4 (aq) → H+ (aq) + SO4–(aq)
H2SO4 (aq) ⇌ 2H+ (aq) + SO42- (aq)
HSO4 (aq) → H+(aq) + SO4–(aq)
H2SO4 (aq) → 2H+ (aq) + SO42- (aq)
Which of the following is NOT a strong acid? Check ALL that apply.
HF
HCl
HI
Which of the following is a strong base? Check ALL that apply.
LiOH
CuOH
Ca(OH)2
NH4OH
Which property is not associated with acids?
Sour taste
strong acids can burn you
turns litmus paper blue
reacts with metals
Ammonia has a pH of 11. Ammonia is __________.
an acid
a base
an element
a metal
