Acids And Bases

10 Questions  I  By Wissamercy on November 20, 2010
In this quiz you will be asked to answer questions about acids and bases topic.All questions are multiple choice.Do not attempt the quiz more than once... GOOD LUCK!!!

  

Question Excerpt

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1.  Which substance can be dissolved in water to give a 0.1 mol dm–3 solution with a high pH and a high electrical conductivity?
A.
B.
C.
D.
2.  A buffer solution can be prepared by adding which of the following to 50 cm3 of 0.10 mol dm–3 CH3COOH(aq)?I. 50 cm3 of 0.10 mol dm–3 CH3COONa(aq)II. 25 cm3 of 0.10 mol dm–3 NaOH(aq)III. 50 cm3 of 0.10 mol dm–3 NaOH(aq)
A.
B.
C.
D.
3.  The value of the ionic product constant of water, Kw, at 60°C is 5.60×10–14 mol2 dm–6.Calculate the value of the pH in water at 60°C.
4.  Separate 20.0 cm3 solutions of a weak acid and a strong acid of the same concentration are titrated with NaOH solution. Which will be the same for these two titrations?I. Initial pHII. pH at equivalence pointIII. Volume of NaOH required to reach the equivalence point
A.
B.
C.
D.
5.  An aqueous solution of which of the following reacts with magnesium metal?
A.
B.
C.
D.
6.  When the following 1.0 mol dm–3 aqueous solutions are arranged in order of increasing pH, which is the correct order?I. Ammonium chlorideII. Ammonium ethanoateIII. Sodium ethanoate
A.
B.
C.
D.
7.  Which one of the following species can act as both a Brønsted-Lowry acid and base in aqueous solution?
A.
B.
C.
D.
8.  Four aqueous solutions, I, II, III and IV, are listed below.I. 0.100 mol dm–3 HClII. 0.010 mol dm–3 HClIII. 0.100 mol dm–3 NaOHIV. 0.010 mol dm–3 NaOH What is the correct order of increasing pH of these solutions?
A.
B.
C.
D.
9.  Which is a buffer solution?I. 0.01 mol dm–3 HCl, 0.01 mol dm–3 NaClII. 0.01 mol dm–3 CH3COOH, 0.01 mol dm–3 CH3COONa
A.
B.
C.
D.
10.  Which of the following is/are formed when a metal oxide reacts with a dilute acid?I. A metal saltII. WaterIII. Hydrogen gas
A.
B.
C.
D.
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