pH and pOH MULTIPLE CHOICE TEST

1.  Substance that when  dissolve in water increases the concentration of H⁺ ions.
          a.  Arrhenius acid
          b.  Arrhenius base
          c.  Bronsted-Lowry acid
          d.  Bronsted-Lowry base
2.  Substance that when dissolve in water increases the concentration of OH^- ions.
          a.  Arrhenius acid
          b.  Arrhenius base
          c.  Bronsted-Lowry acid
          d.  Bronsted-Lowry base
3.  Substance that can donate a proton to another substance.
          a.  Arrhenius acid
          b.  Arrhenius base
          c.  Bronsted-Lowry acid
          d.  Bronsted-Lowry base
4.  Substance that can accept proton from another substance.
          a.  Arrhenius acid
          b.  Arrhenius base
          c.  Bronsted-Lowry acid
          d.  Bronsted-Lowry base
5.  Which among the acids below is an example of Arrhenius acid?
         a.  H₂O
         b.  HCl
         c.  CH₃COOH
         d. NH₃
6.  Which is an example of Arrhenius base?
         a.  NH₃
         b.  CH₃COOH
         c.  NaOH
         d.  CH₃COOH
7.  From the equation below, which is Bronsted-Lowry base?
          NH₃(aq)  +   H₂O(l)  ⇌  NH₄⁺(aq) +  OH^-(aq)
   
          a.  NH₃
          b.  H₂O
          c.  NH₄⁺
          d.  OH^-
8.  From the equation in number 7, which is Bronsted-Lowry acid?
          a.  NH₃
          b.  H₂O
          c.  NH₄⁺
          d.  OH^-  
9.  It is the negative logarithm in base of 10 of [H⁺].  
          a.  pH
          b.  pOH
          c.  Kw
          d.  pKw
10.  What is the pH of a solution which has [H⁺] to be 1.0 x 10^-12 M?
          a.  1
          b.  2
          c.  13
          d.  12
11.  What is the pH of a solution having [H⁺] of 5.6 x 10^-6 M?
          a.  2.55
          b.  5.52
          c.  5.25
          d.  12.5
12. What is the pH of lemon juice which has [H⁺] of 3.8 x 10^-4 M?
          a.  3.42
          b.  4.2
          c.  2.43
          d.  10.2
13.  A common available window cleaning solution has a [H⁺] of 5.3 x 10^-9 M.  What is the pH?
          a.  2.28
          b.  8.22
          c   2.88
          d.  8.28
14.  A sample of freshly pressed apple juice has a pH of 3.76.  What is the [H⁺]?
          a.  1.7 x 10⁴ M
          b.  1.7 x 10^-4 M
          c.  7.1 x 10⁴ M
          d.  7.1 x 10^-4 M
15.  A solution is formed by dissolving an antacid tablet and has a pH of 9.18.  What is the [H⁺]?
          a.  3.3 x 10^-10 M
          b.  6.6 x 10^-10 M
          c.  3.3 x 10¹⁰ M
          d.  6.6 x 10¹⁰ M
16.  Which of the following concentrations is an acidic?
          a.  7.5 x 10^-3 M
          b.  3.6 x 10^-10 M
          c.  1.0 x 10^-7 M
          d.  1.0 x 10^-14 M
17. Which of the following concentration is more basic?
          a.  7.5 x 10^-3 M
          b.  3.6 x 10^-10 M
          c.  1.0 x 10^-7 M
          d.  1.0 x 10^-14 M
18.  Hydrochloric acid (HCl) and potassium hydroxide (KOH) are combined.  What salt is produced          in the neutralization reaction of HCl and KOH?
          a.  NaCl
          b.  KCl
          c.  NaCl₂
          d.  KCl₂
19.  What are the products produced in neutralization reaction?
          a.  acids
          b.  bases
          c.  salt only
          d.  salt and water
20.  What acid and base will be neutralized to produce BaCl₂ salt?
          a.  HCl and NaOH
          b.  H₂SO₄ and Ba(OH)₂
          c.  HCl and Ba(OH)₂
          d.  H₂SO₄ and NaOH
21.  Which of the following is the most acidic?
          a.  pH = 6
          b.  pOH = 13
          c.  pH = 5
          d.  pOH = 1
22. Which of the pH below is the most basic?
          a.  pH = 6
          b.  pOH = 13
          c.  pH = 5
          d.  pOH =1



ANSWER'S KEY  click HERE