1. Which equation represents a neutralization reaction?
1) NaOH + HCl → NaCl + H2O
2) 2Na + 2H2O → 2NaOH + H2
3) Zn + CuSO4 → ZnSO4 + Cu
4) AgNO3 + NaCl → AgCl + NaNO3
2. Which type of reaction will occur when equal volumes of
0.1 M HCl and 0.1 M NaOH are mixed?
1) neutralization
3) electrolysis
2) ionization
4) hydrolysis
3. Which compound reacts with an acid to form a salt and
water?
1) CH3CI
2) CH3COOH
3) KCI
4) KOH
4. When K2CO3 is dissolved in water, the resulting solution
turns litmus paper
1) red and is acidic
3) red and is basic
2) blue and is acidic
4) blue and is basic
5. What is the pH of a solution that results from the
complete neutralization of an HCl solution with a KOH
solution?
1) 1
3) 10
2) 7
4) 4
6. The formula for the calcium salt of sulfuric acid is
1) CaS
2) Ca2S
3) CaSO4
4) Ca2SO4
7. Which reaction occurs when hydrogen ions react with
hydroxide ions to form water?
1) substitution
3) ionization
2) saponification
4) neutralization
8. Which reaction represents the process of neutralization?
1) Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g)
2) HCl(aq) + KOH(aq) → KCl(aq) + H2O(…)
3) Pb(NO3)2(aq) + CaCl(aq) → Ca(NO3)2(aq) + PbCl2
(s)
4) 2KClO3(s) →KCl(s) + 3O2(g)
9. As an acid solution is added to neutralize a base solution,
the OH– concentration of the base solution
1) decreases
3) remains the same
2) increases
10. An aqueous solution of NaC2H3O2 is basic. The salt NaC2
H3O2 can be derived from the reaction of a
1) strong acid with a weak base
2) strong acid with a strong base
3) weak acid with a weak base
4) weak acid with a strong base
11. Which products are formed when an acid reacts with a
base?
1) an alcohol and carbon dioxide
2) an ester and water
3) a soap and glycerine
4) a salt and water
12. Which equation represents a neutralization reaction?
1) CaO + H2O → Ca(OH)2
2) 2HCl + Zn → ZnCl2 + H2
3) H2SO4 + CaCO3 → CaSO4 + H2O + CO2
4) HNO3 + KOH → KNO3 + H2O
13. Given the reaction:
HC2H3O2(aq) + KOH(aq) → KC2H3O2(aq) + H2O(
…)
The products of this reaction form a salt solution that is
1) acidic and turns litmus blue
2) acidic and turns litmus red
3) basic and turns litmus blue
4) basic and turns litmus red
14. When hydrochloric acid is neutralized by sodium
hydroxide, the salt formed is sodium
1) hydrochlorate
3) chloride
2) chlorate
4) perchloride
15. As 0.1 mole of Ba(OH)2(s) dissolves in 1 liter of 0.1 M H
2SO4, the conductivity of the solution
1) decreases
3) remains the same
2) increases
16. Which type of reaction will produce water and a salt?
1) saponification
3) esterification
2) fermentation
4) neutralization
17. For each of the following reactions, the base is precisely
titrated to the endpoint by the acid. In which reaction
would the resulting mixture of products have a pH of less
than 7?
1) 3HCl + Al(OH)3 → AlCl3 +3H2O
2) HCl + KOH → KCl + H2O
3) HNO3 + NaOH → NaNO3 + H2O
4) HC2H3O2 + NaOH → NaC2H3O2 + H2O
18. A water solution of which compound will turn blue
litmus red?
1) K2CO3
2) ZnCl2
3) NaOH
4) NaCl
19. Which reaction occurs when equivalent quantities of H+
(or H3O+) and OH– are mixed?
1) oxidation
3) hydrolysis
2) reduction
4) neutralization
20. What is the name of the salt produced by the reaction of
calium hydroxide with sulfuric acid?
1) calcium thiosulfate
3) calcium sulfide
2) calcium sulfate
4) calcium sulfite
21. The acid and base in each of the following reactions
completely neutralize each other. In which reaction is the
final solution acidic?
1) HCl(aq) + KOH(aq) → KCl(aq) + H2O
2) H2SO4(aq) + 2KOH(aq) → K2SO4(aq) + 2H2O
3) H2S(aq) + 2NaOH(aq) → Na2S(aq) + 2H2O
4) HNO3(aq) + NH4OH(aq) → NH4NO3(aq) + H2O
22. Given the reaction:
HCl(aq) + LiOH(aq) → HOH(…)+ LiCl(aq)
23.
24.
25.
26.
27.
28.
29.
30.
31.
The reaction is best described as
1) neutralization
3) decomposition
2) synthesis
4) oxidation-reduction
Equal volumes of 0.1 M NaOH and 0.1 M HCl are
thoroughly mixed. The resulting solution has a pH
closest to
1) 5
3) 3
2) 7
4) 9
Given the reaction:
KOH + HNO3 → KNO3 + H2O
Which process is taking place?
1) neutralization
3) substitution
2) esterification
4) addition
Which substance is always produced in the reaction
between hydrochloric acid and sodium hydroxide?
1) water
3) oxygen gas
2) hydrogen gas
4) a precipitate
Which balanced equation represents a neutralization
reaction?
1) H2SO4 + 2LiOH → Li2SO4 + 2H2O
2) BaCl2 + Cu(NO3)2 → Ba(NO3)2 + CuCl2
3) 2KClO3 → 2KCl + 3O2
4) Mg + NiCl2 → MgCl2 + Ni
Which compound is a salt?
1) CH3OH
2) C6H12O6
3) H2C2O4
4) KC2H3O2
Given the neutralization reaction:
H2SO4 + 2KOH - K2SO4 + 2HOH
Which compound is a salt?
1) KOH
2) H2SO4
3) K2SO4
4) HOH
Which equation represents a neutralization reaction?
1) Ca(OH)2 → Ca2+ + 2OH–
2) CaCl2 → Ca2+ + 2Cl–
3) H+ + OH– → HOH
4) H+ + F– → HF
When NaOH(aq) reacts completely with HCl(aq) and the
resulting solution is evaporated to dryness, the solid
remaining is
1) an ester
3) a salt
2) an alcohol
4) a metal
Which acid-base pair will always undergo a reaction that
produces a neutral solution?
1) a weak acid and a weak base
2) a weak acid and a strong base
3) a strong acid and a weak base
4) a strong acid and a strong base
32. In the balanced equation:
H3PO4(aq) + NH3(aq) ↔ X(aq) + NH4+(aq)
The particle represented by X(aq) is
1) H2PO4–(aq)
2) HPO42–(aq)
3) PO43–(aq)
4) H3PO4(aq)
33. Which compound is a salt?
1) NaNO3
2) H3PO4
3) CH3COOH
4) Ca(OH)2
34. An acid solution exactly neutralized a base solution
according to the equation acid + base → salt + water. If
the neutralized mixture contained the salt KCl, the pH of
the aqueous mixture would be closest to
1) 9
3) 3
2) 7
4) 11
35. Potassium chloride, KCl, is a salt derived from the
neutralization of a
1) weak acid and a weak base
2) weak acid and a strong base
3) strong acid and a weak base
4) strong acid and a strong base
36. Which compound could serve as a reactant in a
neutralization reaction?
1) NaCl
2) KOH
3) CH3OH
4) CH3CHO
37. Given the equation:
H+ + OH– → H2O
Which type of reaction does the equation represent?
1) esterification
3) hydrolysis
2) decomposition
4) neutralization
38. Which equation represents a neutralization reaction?
1) Na2CO3 + CaCl2 → 2 NaCl + CaCO3
2) Ni(NO3)2 + H2S → NiS + 2 HNO3
3) NaCl + AgNO3 → AgCl + NaNO3
4) H2SO4 + Mg(OH)2 →MgSO4 + 2 H2O
39. Which equation represents a neutralization reaction?
1) H+(aq) + OH–(aq) → H2O(…)
2) Ag+(aq) + I–(aq) → AgI(s)
3) Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(g)
4) NaCl(aq) + AgNO3(aq) → NaNO3(aq) + AgCl(s)
40. An aqueous solution of an ionic compound turns red
litmus blue, conducts electricity, and reacts with an acid
to form a salt and water This compound could be
1) HCl
3) KNO3
2) NaI
4) LiOH
Answer Key
1.
1
30.
3
2.
1
31.
4
3.
4
32.
1
4.
4
33.
1
5.
2
34.
2
6.
3
35.
4
7.
4
36.
2
8.
2
37.
4
9.
1
38.
4
10.
4
39.
1
11.
4
40.
4
12.
4
13.
3
14.
3
15.
1
16.
4
17.
1
18.
2
19.
4
20.
2
21.
4
22.
1
23.
2
24.
1
25.
1
26.
1
27.
4
28.
3
29.
3