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Chemistry General Science Test Medium Mode MCQs With Answers
Question # 1
Amorphous solids
Choose an answer
have sharp melting points
undergo clean cleavage when cut with knife
have perfect arrangement of atoms
can possesses small regions of orderly arrangements of atoms
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Question # 2
Denaturation of protein means the structure of protein is disrupted indicate which factor does not denature protein
Choose an answer
oxidizing agent
heat protein
keeping pH 7.35
pH changes
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Question # 3
If the pressure of gas reduced to one half and temperature is increased twice then density of gas will be
Choose an answer
4 times
2 times
1/2 times
1/4 times
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Question # 4
In which of the following compounds H-binding is not present?
Choose an answer
ethanol
ether
water
ammonia
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Question # 5
Elements of group ll-A are called
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f-block elements
s-block elements
p-block elements
d-block elements
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Question # 6
The substances added in paints for improving the mechanical properties is called:
Choose an answer
pigmein
filter
stabilizer
binder
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Question # 7
How much quantity of total water is available as fresh water
Choose an answer
3%
1%
10%
21%
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Question # 8
Molecular ions are produced in mass spectrometer. Which type of molecular ion formed more abundantly.
Choose an answer
Negatively charged
H⁺ ions
Positively charged
equal positive and negative ions
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Question # 9
What is the weight of 10 dm
3
of CO
2
at 27
°C and 2 atm?
Choose an answer
89.3 g
56.1 g
125 g
127 g
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Question # 10
How many esters are possible for C2H8O2
Choose an answer
3
2
4
5
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Question # 11
All gases can be compressed by:
Choose an answer
Keeping constant pressure
Decreasing pressure
Increasing pressure
None of above
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Question # 12
The bond angle depends upon the
Choose an answer
Types of bonds
Number of bonds
Non-bonding electron pairs
All of the above
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Question # 13
pH and pKa of the buffer are related by Henderson equation which is
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Question # 14
Eka-aluminium and Eka-silicon are known as
Choose an answer
Gallium and Germanium
Aluminium and silicon
Iron and sulphur
Proton and silicon
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Question # 15
Which one of the following correctly describes the acid properties of phenol
Choose an answer
Stronger than HCI
Stronger than carboxylic acid
An acid stronger than carbonic acid
An acid weaker than carboxylic acid
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Question # 16
The apex angle of the folded filter paper is slightly greater than :
Choose an answer
60
°
30
°
45
°
90
°
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Question # 17
Corrosion reaction are
Choose an answer
Spontaneous redox reaction
Non-spontaneous acid-base reactions
Spontaneous acid-base reactions
None of these
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Question # 18
The spectrum of He is expected to be similar to that of
Choose an answer
H
Na
He
+
Li
+
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Question # 19
Ethanol can be converted into ethanoic acid by
Choose an answer
Hydrogenation
Hydration
Oxidation
Fermentation
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Question # 20
Choose an answer
Equal volumes of N
2
and H
2
are reacting
Equal masses of N
2
and H
2
are reacting
The reaction has stopped
The same amount of ammonia is formed as is decomposed into N
2
and H
2
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Question # 21
When elements of group I react with the elements of group VIA theory form
Choose an answer
Ionic bond
Covalent bond
Polar bond
None
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Question # 22
The rate of reaction :
Choose an answer
Increase as the reaction proceeds.
Decreases as the reaction proceeds.
Remains the same as the reaction proceed.
May decrease or increase as the reaction proceeds.
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