11th Class Chemistry Chapter 8 MCQ Test with Answer

MCQ's Test For Chapter 9 "Acid-Base Chemistry"

Try The MCQ's Test For Chapter 9 "Acid-Base Chemistry"

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Acid-Base Chemistry

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Question # 1

The conjugate base fo H2CO3 is

Question # 2

pH of 10-9 M HCl is

Question # 3

The sgtrength of base is measured by its.

Question # 4

Litmus turns which color in a basic solution.

Question # 5

If Ka of acetic acid is 1.8 X 10-5, IT IS

Question # 6

In a titration, the equivalence point is when

Question # 7

The Bronsted Lowry definition identifies acid as.

Question # 8

Which of the following does not affect pH .

Question # 9

The pH of distilled water at 25 oC is

Question # 10

The conjugate base of HClO4 is

Question # 11

Which has the lowest pH?

Question # 12

pH of blood is around.

Question # 13

Strong acids completely dissociate in water because.

Question # 14

Which of the following is a weak base.

Question # 15

Which of the following is the conjugate base of water.

Question # 16

Which dialyzing solution has highes pH

Question # 17

A substance that changes color with pH is a

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FSc Part 1 Chemistry (New Book) Chapter 9 Important MCQ's

Sr.# Question Answer
1 The conjugate base fo H2CO3 is
A. HCO3
B. CO2
C. CO3
D. H2CO3
2 Which one of the following compound is added in purficatio of NaCl in common ion efffect.
A. HCl
B. H2SO4
C. HNO3
D. HF
3 A buffer solution is.
A. Stron acid+ strong base
B. Weak Acid + Its salt
C. Weak base + Its salt
D. Weak base+ salt of strong acid
4 The pH scale ranges typically from
A. 1 -10
B. 0 - 14
C. -1 to 1
D. 7 - 14
5 Which of the following does not affect pH .
A. Concentration
B. Temperature
C. Color of solution 
D. Strength
6 pH of blood is around.
A. 6.0
B. 7.4
C. 5.4
D. 8.0
7 Which is amphoteric
A. H2O
B. HCl
C. NaOH
D. NH3
8 A salt from stron acid+weak base gives.
A. Neutral solution 
B. Acidic solution 
C. Precipitate
D. Basic solution 
9 A base taht ionizes completely in aqueous solution is called.
A. Strong base
B. Weak base
C. Conjugate acid
D. Neutral
10 KOH is an example of 
A. Strong Base
B. Weak acid
C. Neutral salt
D. Weak base

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