Jasperse Acid-Base Chemistry. Extra Practice Problems
solution the acid reactant is ______ and its conjugate base product is ... trick question
ACIDS BASES AND SALTS
Add about 2 mL of dilute HCl to both the test tubes. Pass the gas produced in each case through lime water (calcium hydroxide solution) as shown in below figure
PHYSICAL SCIENCES PAPER 2 (CHEMISTRY) GRADE 12 TERMS
ACIDS AND BASES Terms definitions
CHAPTER - Acids Bases and Salts
What happens when a solution of an acid is mixed with a solution of a base in a test tube? (i) The temperature of the solution increases.
Acids Bases and Salts
Now shake the test tube gently. Do you observe any change in colour of the acid? Add to the acidic solution a drop of sodium hydroxide solution by a
CHAPTER - Acids Bases and Salts
1 What Happens to an Acid or a Base in a Water Solution? Do acids produce ions only in aqueous solution? Let us test this. Activity 2.9. ▫ Take
Stanley Acids and Bases Study Guide
Distinguish between strong acids/bases and weak acids/bases with examples. This may assist especially when answering multiple choice questions. Base 1. Acid 1.
CHAPTER 18 ACID-BASE EQUILIBRIA
Weak Acids: dissociate only partially in solution; it is an equilibrium. HA Question: What are [H3O+] and [OH-] in 0.0012 M NaOH soln at 25 ºC? Answer: NaOH ...
Acids and Bases Acids and Bases Conjugate Pair Question
A buffer solution withstands changes in pH when a limited amount of acid or base is added. ▫. It is composed of a weak acid and a salt of a weak acid with a
Acid Base Practice Test - Houston ISD
neither acids salts
Test2 ch17a Acid-Base Practice Problems
p4 Answers p12. Ka: Sense + Calculations. Using Ka or pKa to Calculate. [H+] and/or pH; using pH to calculate Ka or pKa p5. Conceptual Questions. Acids
PHYSICAL SCIENCES PAPER 2 (CHEMISTRY) GRADE 12 TERMS
answers. If you do not know how to answer a question the answers are there Contain a large amount (number of moles) of acid/base in proportion to the.
Y8 – Acids and Alkalis Science homework booklet Core questions
8 What is a base? Any substance which neutralises an acid. 9 Name 3 common bases in the home. Soap Toothpaste and Baking Powder.
Multiple Choice Questions- Acid Base Balance
Multiple Choice Questions- Acid Base Balance. Q.1- A person was admitted in a coma. Analysis of the arterial blood gave the following values: PCO2 16 mm Hg
Chemistry Chapter 5 Acids Bases and Salts Long Answer Type
Acids Bases and Salts. Long Answer Type Questions. Q1. Write chemical equation when zinc granules react with a) Sulphuric acid b) Hydrochloric acid.
ACIDS BASES AND SALTS
Answer. Soluble bases are called alkalies e.g. sodium hydroxide (NaOH). How will you test for the gas which is liberated when hydrochloric acid reacts ...
Acids And Bases Chapter Review Chemistry Answers [PDF] - m
23 2022 by guest. Acids And Bases Chapter Review Chemistry. Answers The authors' question-and-answer ... "Practice Test 1 " Answer Key Detailed.
Questions with Answers- Nucleotides & Nucleic Acids A. The
_____ Which structural feature is found in the single-stranded DNA molecule? a) It can have a negatively-charged backbone composed of nitrogenous bases. b) Each
ncjescoa02.pdf
sulphuric acid nitric acid and hydrochloric acid. Bases are chemical compounds which have bitter ... is mixed with a solution of a base in a test.
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 AE K3PO4 + AlBr b. ZnCl2 + MgSO4 AE ZnSO4 + MgCl2 c. Na2CO3 + CaCl2 AE CaCO3 + 2NaCl d. NH4OH + KCl AE KOH + NH4Cl ____ 11. Which of the following chemical reactions represents an acid-base reaction? a. HBr + KOH AE KBr + H2O b. ZnCl2 + MgSO4 AE ZnSO4 + MgCl2 c. H2SO4 + CaCl2 AE CaSO4 + HCl d. NH4OH + KCl AE KOH + NH4Cl ____ 12. Which of the following chemical reactions will this be Li + CaCl AE LiCl + Ca? a. Acid-Base Reaction b. Precipitate c. Oxdation-Reduction d. NH4OH + KCl AE KOH + NH4Cl 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 104 M HCl solution? a. 4 c. 8 b. 6 d. 10 ____ 18. What is the pH of a 1 x 105 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. 0.500 ____ 20. Which are the correct products for these reactants HCl + NaOH AE a. HOH + ClNa b. NaCl + H2O c. H3O + NaCl2 d. NaOH + Cl a. Acid Base Practice TestAnswer Section
MULTIPLE CHOICE
1. ANS: B DIF: I OBJ: 15-1.1
2. ANS: C DIF: I OBJ: 15-1.1
3. ANS: A DIF: I OBJ: 15-1.1
4. ANS: C DIF: I OBJ: 15-1.1
5. ANS: A DIF: I OBJ: 15-1.1
6. ANS: C DIF: II OBJ: 15-1.2
7. ANS: C DIF: II OBJ: 15-1.2
8. ANS: B DIF: I OBJ: 15-1.3
9. ANS: B DIF: I OBJ: 15-1.3
10. ANS: D DIF: I OBJ: 15-1.3
11. ANS: C DIF: I OBJ: 15-1.4
12. ANS: A DIF: I OBJ: 15-1.4
13. ANS: D DIF: I OBJ: 15-1.4
14. ANS: D DIF: I OBJ: 15-1.5
15. ANS: B DIF: II OBJ: 15-1.5
16. ANS: D DIF: II OBJ: 15-1.5
17. ANS: A DIF: I OBJ: 15-1.5
18. ANS: A DIF: I OBJ: 15-1.5
19. ANS: A DIF: I OBJ: 15-2.1
20. ANS: C DIF: I OBJ: 15-2.2
21. ANS: B DIF: I OBJ: 15-2.2
22. ANS: A DIF: I OBJ: 15-3.1
23. ANS: C DIF: II OBJ: 15-3.1
24. ANS: A DIF: II OBJ: 15-3.1
25. ANS: A DIF: II OBJ: 15-3.1
26. ANS: B DIF: II OBJ: 15-3.1
27. ANS: C DIF: I OBJ: 15-3.2
28. ANS: A DIF: I OBJ: 15-3.2
29. ANS: C DIF: I OBJ: 15-3.3
30. ANS: A DIF: I OBJ: 16-1.1
31. ANS: B DIF: I OBJ: 16-1.2
32. ANS: A DIF: III OBJ: 16-1.4
33. ANS: C DIF: III OBJ: 16-1.4
34. ANS: C DIF: III OBJ: 16-1.4
35. ANS: A DIF: III OBJ: 16-1.5
36. ANS: B DIF: I OBJ: 16-2.2
37. ANS: B DIF: I OBJ: 16-2.2
38. ANS: C DIF: III OBJ: 16-2.3
39. ANS: B DIF: III OBJ: 16-2.3
40. ANS: C DIF: III OBJ: 16-2.3
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