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WorksheetsAcid Base Characteristics
Total questions: 20
Worksheet time: 10mins
A substance that is more basic has a _____ pH than a substance that is acidic.
A base is a substance
That releases OH- ions when dissolved in water
That releases H+ ions when dissolved in water
Does not release any ions when dissolved in water
None of the above
The picture below shows the relative concentrations of H+ and OH- in a solution. Is the solution an acid or a base?
acid
base
An acid
is a substance that releases H+ ions when dissolved in water
is a substance that does not release any ions when dissolved in water
is a substance that releases OH- when dissolved in water
releases an equal amount of OH- and H+ ions when dissolved in water
Which is a characteristic of a base?
tastes sour
reacts with metal
feels slippery
turn litmus paper red
NaOH is:
an Arrhenius base
an Arrhenius acid
neither an acid nor a base
both an acid and a base
When using the Arrhenius model, what types of ions indicate that a compound is a base?
H+1
OH-1
Which substance below would be an Arrhenius Acid?
CH4
C2H6
NaCl
H3PO4
NH3 + H2O → NH4+ + OH-
NH3 is a Bronsted Lowry
Acid
Base
conjugate acid
conjugate base
HC2H3O2 + H2O → H3O+ + C2H3O21-
HC2H3O2 is acting as
a conjugate base
a Bronsted Lowry base
a Bronsted Lowry acid
none of the above
How does an acid change litmus paper? Choose 2!
red to blue
blue to red
red to red
blue to blue
How does a neutral change litmus paper? Choose 2!
blue to red
red to red
red to blue
blue to blue
How does a base change litmus paper? Choose 2!
red to blue
blue to red
blue to blue
red to red
Which of these images shows the strongest base?
