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WorksheetsAcids and Bases
Total questions: 20
Worksheet time: 11mins
Which two formulas represent Arrhenius acids?
NaSCN and Na₂S₂O
H₂C₂H₃O₂ and H₃PO₄
CH₃COOH and CH₃CH₂OH
KHCO₃ and KHSO₄
In the following equation: HCl (g) + H₂O (l) → H₃O⁺ (aq) + Cl⁻ (aq), H₂O is a _______.
Brønsted-Lowry Acid
Brønsted-Lowry Base
Arrhenius Acid
Arrhenius Base
Which of the following word pairs correctly completes the sentence below? _______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.
Acids; pH greater than 7
Bases; pH less than 7
Acids; pH less than 7
Bases; pH greater than 7
According to the pH scale, which substance is more acidic than lemon juice?
milk
Hydrochloric acid
cabbage
water
According to Arrhenius, what is an acid?
Something that corrodes metals
Something that accepts an electron pair
Something that produces H+ ions
Something that donates a proton
Which of the following compounds is classified as a Brønsted-Lowry base, but not as an Arrhenius base?
NaOH
NH3
HCl
NO3-
The products of self-ionization of water are __________.
H3O+ and H2O
H2O and H2O
OH+ and H-
H3O+ and OH-
Which of the following is a weak acid?
NaOH
CH₃COOH
HCl
NH₃
It reacts completely with a neutral substance.
It ionizes less than 100%
It ionizes 100%
It neutralizes other acids
It reacts completely with a neutral substance
Given the equation: HClO₄(aq) + H₂O → H₃O⁺(aq) + ClO₄⁻(aq), what is the conjugate acid from the reaction?
HClO₄
H₂O
H₃O⁺
ClO⁻
Which of the following is an Arrhenius Acid?
LiOH
CO32-
OH-
H3PO4
An Arrhenius BASE...
Creates hydronium ions (H3O+) in solution
Creates hydroxide ions (OH-) in solution
Donates a proton
Accepts a proton
What is the pH value of a neutral solution at 25°C?
0
7
14
10
Which of the following is a property of bases?
Sour taste
Turns litmus paper red
Slippery to touch
Releases hydrogen gas when reacting with metals
Which of the following is not a characteristic of acids?
They turn blue litmus paper red
They have a pH less than 7
They are slippery to touch
They taste sour
What happens to the pH of an acidic solution when it is diluted with water?
It increases
It decreases
It remains the same
It becomes neutral
What does pH measure?
the amount of hydrogen (H+) ions
the amount of hydroxide (OH-) ions
amount of water
all of the above
