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MCQ excrsie gg hh ht jw, Exercises of Chemistry

Mcqs for exceGGGG rise F BNAD GFNA AZVZsg

Typology: Exercises

2020/2021

Uploaded on 02/16/2021

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Acid Base Practice Test
____ 1. Acids taste
a.
sweet.
c.
bitter.
b.
sour.
d.
salty.
____ 2. Acids make litmus paper turn
a.
red.
c.
blue.
b.
yellow.
d.
black.
____ 3. Bases feel
a.
rough.
c.
slippery.
b.
moist.
d.
dry.
____ 4. Bases react with
a.
acids to produce salts and water.
c.
water to produce acids and salts.
b.
salts to produce acids and water.
d.
neither acids, salts, nor water.
_____ 5. Which type of solution is one with a pH of 8?
a. acidic b. basic c. neutral
_____ 6. What is the pH when the hydrogen ion concentration is 1 x 10 3 M
a. 2 b. 2.7 c. 3 d. ) 3.3 e. 4
_____ 7. A solution with a pH of 5.0 _____.
a. is basic
b. has a hydrogen-ion concentration of 5.0M
c. is neutral
d. has a hydroxide-ion concentration of 1 x 10 9 M
____ 8.
____ 9.
____ 10. Which of the following chemical reactions will produce a precipitate?
a. 3KBr + AlPO4 K3PO4 + AlBr
b. ZnCl2 + MgSO4 ZnSO4 + MgCl2
c. Na2CO3 + CaCl2 CaCO3 + 2NaCl
d. NH4OH + KCl KOH + NH4Cl
____ 11. Which of the following chemical reactions represents an acid-base reaction?
a. HBr + KOH KBr + H2O
b. ZnCl2 + MgSO4 ZnSO4 + MgCl2
c. H2SO4 + CaCl2 CaSO4 + HCl
d. NH4OH + KCl KOH + NH4Cl
____ 12. Which of the following chemical reactions will this be Li + CaCl LiCl + Ca?
a. Acid-Base Reaction
b. Precipitate
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Acid Base Practice Test ____ 1. Acids taste a. sweet. c. bitter. b. sour. d. salty. ____ 2. Acids make litmus paper turn a. red. c. blue. b. yellow. d. black. ____ 3. Bases feel a. rough. c. slippery. b. moist. d. dry. ____ 4. Bases react with a. acids to produce salts and water. c. water to produce acids and salts. b. salts to produce acids and water. d. neither acids, salts, nor water. _____ 5. Which type of solution is one with a pH of 8? a. acidic b. basic c. neutral _____ 6. What is the pH when the hydrogen ion concentration is 1 x 10 –^3 M a. 2 b. 2.7 c. 3 d. ) 3.3 e. 4 _____ 7. A solution with a pH of 5.0 _____. a. is basic b. has a hydrogen-ion concentration of 5.0M c. is neutral d. has a hydroxide-ion concentration of 1 x 10 –^9 M ____ 8. ____ 9. ____ 10. Which of the following chemical reactions will produce a precipitate? a. 3KBr + AlPO 4  K 3 PO 4 + AlBr b. ZnCl 2 + MgSO4  ZnSO 4 + MgCl 2 c. Na 2 CO 3 + CaCl 2  CaCO 3 + 2NaCl d. NH 4 OH + KCl  KOH + NH 4 Cl ____ 11. Which of the following chemical reactions represents an acid-base reaction? a. HBr + KOH  KBr + H 2 O b. ZnCl 2 + MgSO4  ZnSO 4 + MgCl 2 c. H 2 SO 4 + CaCl 2  CaSO4 + HCl d. NH 4 OH + KCl  KOH + NH 4 Cl ____ 12. Which of the following chemical reactions will this be Li + CaCl  LiCl + Ca? a. Acid-Base Reaction b. Precipitate

c. Oxdation-Reduction d. NH 4 OH + KCl  KOH + NH 4 Cl b. 0.280 M d. 0.500 M ____ 13. Which statement about Arrhenius acids is FALSE? a. Their water solutions are called aqueous acids. b. They are molecular compounds with ionizable hydrogen atoms. c. Their pure aqueous solutions are electrolytes. d. They increase the concentration of hydroxide ions in aqueous solution. ____ 14. Strong bases are a. strong electrolytes. c. nonelectrolytes. b. weak electrolytes. d. also strong acids. ____ 15. Whose definition of acids and bases emphasizes the role of protons? a. Brønsted and Lowry c. Arrhenius b. Lewis d. Faraday ____ 16. An electron-pair acceptor is a a. Brønsted-Lowry base. c. Lewis base. b. Lewis acid. d. traditional acid. ____ 17. What is the pH of a 1 x 10–^4 M HCl solution? a. 4 c. 8 b. 6 d. 10 ____ 18. What is the pH of a 1 x 10–^5 M KOH solution? a. 3 c. 9 b. 5 d. 11 ____ 19. What is the molarity of an HCl solution if 50.0 mL is neutralized in a titration by 40.0 mL of 0.400 M NaOH? a. 0.200 M c. 0.320 M b. 0.280 M d. 0. ____ 20. Which are the correct products for these reactants HCl + NaOH  a. HOH + ClNa b. NaCl + H 2 O c. H 3 O + NaCl 2 d. NaOH + Cl

    1. ANS: B DIF: I OBJ: 15-1. MULTIPLE CHOICE
    1. ANS: C DIF: I OBJ: 15-1.
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    1. ANS: A DIF: I OBJ: 15-3.
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    1. ANS: A DIF: I OBJ: 16-1.
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    1. ANS: A DIF: III OBJ: 16-1.
    1. ANS: C DIF: III OBJ: 16-1.
    1. ANS: C DIF: III OBJ: 16-1.
    1. ANS: A DIF: III OBJ: 16-1.
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