1. BENGKEL MENJAWAB SOALAN PEPERIKSAAN
CHM082
CHAPTER 1
 ACID, BASES AND SALTS
PART A
1. All the following are the properties of an acid, EXCEPT
A. It turns litmus paper blue to red.
B. It produced H3O+
ions in water.
C. It feels soapy and slippery.
D. It has pH less than 7.
2. Identify the compound that is a weak acid.
A. Ethanoic acid
B. Sulfuric acid
C. Nitric acid
D. Hydrochloric acid
3. Choose the substance with the lowest pH value
A. Ammonia solution
B. Sodium hydroxide
C. Nitric acid
D. Water
4. The correct set of acid properties is
A. Sour taste, slippery, change litmus paper from blue to red.
B. Bitter taste, slippery, change litmus paper from blue to red.
C. Sour taste, corrosive, change litmus paper from red to blue.
D. Sour taste, corrosive, change litmus paper from blue to red.
5. Identify the solution with the highest pH.
A. 0.1M of nitric acid.
B. 0.1M of sodium hydroxide.
C. 0.1M of magnesium hydroxide.
D. 0.1M of sulphuric acid.
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2. 6. Which of the following solutions has the highest pH value
A. 1M NH3
B. 1M HCl
C. 1M H2SO4
D. 1M CH3COOH
7. The characteristic property of an acid is due to the presence of
A. Hydride ion.
B. Hydroxyl ion.
C. Hydronium ion.
D. Oxide ions.
8. Which substance can be classified as an Arrhenius acid.
I. HCl
II. NaOH
III. HNO3
IV. NH3
9. Which of the following solution would cause red litmus to turn blue
A. Solution of pH 4
B. Solution of pOH 11
C. Solution of 0.01 M NH3
D. Solution of 0.005 M CH3COOH
10. Choose the solution which has the highest pH
A. 0.2 M nitric acid.
B. 0.2 M sulphuric acid.
C. 0.2 M ammonia solution.
D. 0.2 M magnesium hydroxide.
11. All the following compounds are monoprotic acids, EXCEPT
A. HNO3
B. H2SO4
C. HCl
D. H3PO4
12. This solution has a pH of 3, which of the following is the property of the solution.
A. reacts vigorously with magnesium oxide.
B. the concentration of H+
is less than the concentration of OH-
C. changes red litmus paper to blue.
D. produces OH-
ion in aqueous solution.
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3. 13. What is Arrhenius definition of base?
A. Substances that produces hydrogen ion in aqueous solution.
B. Solutions that contain less hydrogen ions than hydroxide ions.
C. Solutions that are produced from ionization process.
D. Substances that produces hydroxide ions in aqueous solution.
14.
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