castle learning acid base practice questions

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Name ________________________________ Date _________ Class __________
Acid, Bases, & Salts Practice Multiple Choice Problems		
1. A solution of a base differs from a solution of an acid in that the solution of a base
· is able to conduct electricity 
· is able to cause an indicator color change 
· has a greater [H3O+] 
· has a greater [OH-]
2. According to the Arrhenius Theory, the acidic property of an aqueous solution is due to an excess of
	1. H2 		2. H+		3. H2O		4. OH-
3.  Which pH value indicates the most basic solution?
		1. 7 		2. 8		3. 3		4. 11
4.  A 3.0-milliliter sample of HNO3 solution is exactly neutralized by 6.0 milliliters of 0.50 M KOH. What is the molarity of the HNO3 sample? 
	1. 1.0 M 		2. 0.50 M		3. 3.0 M		4. 1.5 M
5.  As 100 milliliters of 0.10 molar KOH is added to 100 milliliters of 0.10 molar HCl at 298 K, the pH of the resulting solution will
	1. decrease to 3 		2. decrease to 4 
	3. increase to 7 		4. Increase to 13
6.  Which formula represents a salt?
	1. KOH 		2. KCl 		3. CH3OH 		4. CH3COOH
7.  Which solution will turn litmus from red to blue?
	1. H2S(aq) 		2. NH3(aq) 	3. SO2(aq) 	4. CO2(aq)
8.  Which substance is always produced in the reaction between hydrochloric acid and sodium hydroxide?
	1. water 		2. hydrogen gas 		3. oxygen gas 	4. a precipitate
9.  According to the Brönsted-Lowry theory, an acid is 
	1. a proton donor only 
	2. a proton acceptor only 
	3. a proton donor and a proton acceptor 
	4. neither a proton donor nor a proton acceptor
10.  When an Arrhenius base is placed in H2O, the only negative ion present in the solution is
	1. OH- 		2. H3O- 		3. H- 			4. O2-
11.  A neutral solution of a salt in water contains
	1. fewer H3O+ ions than OH- ions 
	2. more H3O+ ions than OH- ions 
	3. an equal number of H3O+ ions and OH- ions 
	4. neither H3O+ ions nor OH- ions
12.  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 
13.  Which substance is an electrolyte?
	1. C2H5OH 		2. C6H12O6 	. C12H22O11 	4. CH3COOH
14. As an aqueous solution becomes more acidic, the hydroxide ion concentration
1. decreases 		2. Increases		3. Stays the same
15.  An example of a nonelectrolyte is
	1. C6H12O6(aq) 		2. K2SO4(aq) 	3. NaCl(aq) 	4. HCl(aq)
16.  Given the following solutions:
Solution A: pH of 10 		Solution B: pH of 7 		Solution C: pH of 5
Which list has the solutions placed in order of increasing H+ concentration?
1. A, B, C 		2. B, A, C 	3. C, A, B 		4. C, B, A
17.  A student was given four unknown solutions. Each solution was checked for conductivity and tested with phenolphthalein. The results are shown in the data table below.
Based on the data table, which unknown solution could be 0.1 M NaOH?
1. A 		2. B		3. C		4. D
18.  Which pH change represents a hundredfold increase in the concentration of H3O+?
1. pH 5 to pH 7 	2. pH 13 to pH 14 	 3. pH 3 to pH 1 	4. pH 4 to pH 3
19.  Which statement correctly describes a solution with a pH of 9?
1. It has a higher concentration of H3O+ than OH- and causes litmus to turn blue. 
2. It has a higher concentration of OH- than H3O+ and causes litmus to turn blue. 
3. It has a higher concentration of H3O+ than OH- and causes methyl orange to turn yellow. 
4. It has a higher concentration of OH- than H3O+ and causes methyl orange to turn red.
20.  Information related to a titration experiment is given in the balanced equation and table below.
H2SO4(aq) + 2KOH(aq) → K2SO4(aq) + 2H2O()
Based on the equation and the titration results, what is the concentration of the H2SO4(aq)?
1. 0.12 M 		2. 0.16 M		 3.  0.24 M		4. 0.96 M