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Science, Chemistry
10th -
12thgrade
Acids, Bases, Conjugate Acids, and Conjugate Bases
22 questions
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- 1. Multiple Choice
A sour taste is a characteristic of:
acids
bases
neutral
pH scale
- 2. Multiple Choice
Which is a characteristic of a base?
tastes sour
found mostly in foods
feels slippery
turn litmus paper red
- 3. Multiple Choice
pH is the measure of the concentration of ______.
Acids
H+ ion
OH- ion
Bases
- 4. Multiple Choice
According to Arrhenius, what is the definition of an ACID?
a substance that contains hydroxide and ionizes to produce OH-
a substance that contains hydrogen and ionizes to produce H+
a substance that contains hydrogen and ionizes to produce OH-
a substance that contains hydroxide and ionizes to produce H+
- 5. Multiple Choice
According to Bronsted-Lowry, what is the definition of an BASE?
a substance that donates a hydrogen (H+) ion
a substance that donates a hydroxide (OH-) ion
a substance that accepts a hydrogen (H+) ion
a substance that accepts a hydroxide (OH-) ion
- 6. Multiple Choice
What is being donated/accepted between conjugate acid-base pairs?
a hydrogen (H+) ion
a hydroxide (OH-) ion
water
a neutron
- 7. Multiple Choice
What is the conjugate base in the following reaction?
HCO3-
HCl
H2CO3
Cl-
- 8. Multiple ChoiceWhat is the conjugate acid in the following equation?PO43-HNO3NO3-HPO42-
- 9. Multiple Choice
Which of the following is an Arrhenius Acid?
LiOH
CO32-
OH-
H3PO4
- 10. Multiple ChoiceWhich of the following shows the correct conjugate acid base pair?HCI (acid) / H3O+ (conjugate base)HCI (acid) / CI- (conjugate base)HCI (base) / CI- (conjugate acid)HCI (base) / H3O+ (conjugate acid)
- 11. Multiple ChoiceIf a solution is basic which ion will be more present?H+K+OH-H-
- 12. Multiple Choice
Which of the following will conduct electricity? Select all that apply
Acidic solutions
Basic solutions
Ionic solutions
Neutral covalent solutions
- 13. Multiple Choice
Which of the following are properties of acids but not bases? Select all that apply.
Changes the color of an indicator
Sour taste
Reacts with metals to produce hydrogen gas
Feels slippery
- 14. Multiple Choice
Neutralization is the process of an acid and a base reacting to form what? Select all that apply
An ionic salt
Hydronium ions
NaCl
Water
- 15. Multiple Choice
An arrhenius acid
produces hydroxide ions in a solution
is a proton donor
produces hydrogen ions in a solution
is a proton acceptor
- 16. Multiple Choice
An arrhenius base
produces hydroxide ions in a solution
is a proton donor
produces hydrogen ions in a solution
is a proton acceptor
- 17. Multiple Choice
A bronsted lowry acid
produces hydroxide ions in a solution
is a proton donor
produces hydrogen ions in a solution
is a proton acceptor
- 18. Multiple Choice
Water can act as both an acid and a base according to the bronsted lowry model. This means water is
neutral
conjugate
ionic
amphoteric
- 19. Multiple Choice
Identify the true statement about the following reaction:
F- + H2O --> HF +OH-
H2O is a bronsted lowry base
H2O is not an acid or base according to either model
H2O is a bronsted lowry acid
H2O is an arrhenius acid
- 20. Multiple Choice
Acid-base conjugate pairs differ by a single
Electron
Proton
Neutron
Oxygen
- 21. Multiple Choice
Which of the following show an acid and its conjugate base pair (in that order)
H2SO4, SO42-
OH-, H2O
NH4+, H2O
H2CO3, HCO3-
- 22. Multiple Choice
Could C2H3O2- act as a base when placed in water?
Yes, because it can accept a H+
Yes, because it can donate a H+
No, because it cannot donate a H+
No, because it cannot accept a H+
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