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MCQ's Test For Chapter 9 "Acid-Base Chemistry"
Try The MCQ's Test For Chapter 9 "Acid-Base Chemistry"
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Total Questions17
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Time Allowed20
Acid-Base Chemistry
00:00
Question # 1
The conjugate acid of NH3 is
Question # 2
The pH of distilled water at 25 oC is
Question # 3
Which acid is present in vinegar
Question # 4
If Ka of acetic acid is 1.8 X 10-5, IT IS
Question # 5
Acid rain is mainly due to
Question # 6
A salt from stron acid+weak base gives.
Question # 7
Which one of the following compound is added in purficatio of NaCl in common ion efffect.
Question # 8
A solution with equal [H+] and [OH-] is
Question # 9
The conjugate base of HClO4 is
Question # 10
Which is amphoteric
Question # 11
Which of the following is a diprotic acid
Question # 12
pH of blood is around.
Question # 13
Which of the following is a weak base.
Question # 14
pH of 1 x 10 -4 M HCl is
Question # 15
Which has the lowest pH?
Question # 16
Which is more acidic pH3 or pH 5?
Question # 17
A salt that hydrolyzes in water in from
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FSc Part 1 Chemistry (New Book) Chapter 9 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Which one of the following compound is added in purficatio of NaCl in common ion efffect. |
A. HCl
B. H2SO4
C. HNO3
D. HF
|
| 2 | The Ka of a weak acid is 10-5 its pKa is |
A. 2
B. 3
C. 5
D. 10
|
| 3 | Which species is both a Bronsted acid and base. |
A. H2O
B. Na+
C. OH-
D. Cl-
|
| 4 | The pH scale ranges typically from |
A. 1 -10
B. 0 - 14
C. -1 to 1
D. 7 - 14
|
| 5 | Strong acids completely dissociate in water because. |
A. High solubility
B. High Ka
C. Forms complex
D. Low Ka
|
| 6 | A solution with equal [H+] and [OH-] is |
A. Basic
B. Acidic
C. Neutral
D. Salt
|
| 7 | The suppression of ionization of a weak electrolyte by adding common ion is |
A. Le-Chatelier's effect
B. Common ion effect
C. Auf Bau effect
D. Hund's rule
|
| 8 | Which one of the following is not the applicatio of solubility products. |
A. Determination of solubility from Ksp
B. Common ion effect
C. Predicting precipitation
D. Dissociation of bonds
|
| 9 | Which of the following pair form a buffer solution . |
A. HCl and NaCl
B. CH3COONa and CH3COOH
C. NaOH and HCl
D. NH3 and Na2SO4
|
| 10 | The conjugate base of HClO4 is |
A. ClO4
B. ClO4 2-
C. hClO3
D. H2ClO4+
|
Test Questions