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Chemistry General Science Test Medium Mode MCQs With Answers
Question # 1
One of the following compound reacts with its own oxidation product (an oxidation involves no loss of carbon) to give sweet odour liquid
Choose an answer
Propanal
Propanone
1-propanol
Propanoic acid
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Question # 2
The volume of gas depends upon the ______ molecules
Choose an answer
Size of
Molecular weight
Space between
Both a and b
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Question # 3
In a crystal the atoms are locate at the position of:
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infinite potential energy
minimum potential energy
Zero potential energy
maximum potential
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Question # 4
How much pesticides have been synthesized at present?
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Four thousand
Six thousand
Eight thousand
Ten thousand
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Question # 5
The unit of pressure ______ is commonly used by meteorologists
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mm of Hg
Kilopascal
Millibar
Pound per square inch
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Question # 6
Ground and surface waters are contaminated and become polluted due to the human activity. Which human activity will not cause water pollution
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live stock waste
agricultural pesticides
oil beaks and spills
all of the above
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Question # 7
When ethyl magnesium bromide is treated with carbon dioxide and the product hydrolyzed we get
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formic acid
propionic acid
oxalic acid
acetic acid
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Question # 8
Gram atoms of hydrogen in 5.5 g H2
Choose an answer
5.50
2.25
5.45
2.20
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Question # 9
Coal contains percentage of sulphur:
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1-9%
5-9%
6-9%
7-9%
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Question # 10
Lysine
Choose an answer
Basic Only ketogenic
Ketogenic glucogenic
Acidic glucogenic
Non essential
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Question # 11
Which one of the following doesn't exhibit allotropy?
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Bi
As
N
P
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Question # 12
Pure water does not conduct electricity because it
Choose an answer
Has low boiling point
Is almost unionized
Is neutral
Is readily decomposed
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Question # 13
The relation between Kc and Kp is
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Question # 14
In electrolytic cells, the chemical changes may be :
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Either spontaneous or non-spontaneous
Always spontaneous
Always non-spontaneous
More spontaneous and less non-spontaneous.
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Question # 15
Components of environment are:
Choose an answer
Atmosphere
Hydrosphere
Lithosphere
All of these
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Question # 16
Three sp
2
hybrid are co-planar at an angle of
Choose an answer
104.5°
109.5°
107°
120°
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Question # 17
Violet colour is obtained when dilute CuSO
4
is added in alkaline solution of protein. This test is known as
Choose an answer
Biuret
Xanthoproteic test
Hopkins-cole
All of these
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Question # 18
Sulphonation of benzoic acid produces mainly
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o-Sulphobenzoic acid
m-sulohobenzoic acid
p-Sulphobenzoic acid
o-and p-Sulphobenzoic acid
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Question # 19
The oxide of beryllium is
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Acidic
Amphoteric
Superoxide
Basic
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Question # 20
Which element does not belong to 4d series
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Y
Zr
Mo
Zn
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Question # 21
The value of R(General Gas Constant) is
Choose an answer
8.3134 JK
-1
mole
-1
1.987 Cal K
-1
Mole
-1
Both a and b
1.987 JK
-1
mole
-1
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Question # 22
Choose an answer
Initial concentration of reaction
Initial concentration of products
Final concentration of products
Order of the reaction
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