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Chemistry General Science Test Medium Mode MCQs With Answers
Question # 1
The enthalpy change AH of a process is given by the relation
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ΔΗ =ΔΕ + P∆V
ΔH=ΔE +W
ΔH =ΔΕ-ΔnRT
ΔΕ =ΔΗ + P∆V
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Question # 2
Elevated concentration of ______________ is harmful for fish as it clog the gills causing suffocation
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AI
Hg
As
Cr(vi)
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Question # 3
The alternate name of Glucose is
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Dextrose
Grape sugar
Blood sugar
All
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Question # 4
Splitting of spectral lines when atoms are subjected to strong electric field is called:
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Compton effect
Stark effect
Zeeman effect
Photoelectric effect
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Question # 5
Which is not true in case of an ideal gas?
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It cannot be converted into a liquid
There is no interaction between the molecules
All molecules of the gas move with same speed
At a given temperature P'V is proportional to the amount of the gas
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Question # 6
The alkaline earth metals are called so because they
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form alkaline solution and are present in earth crust as minerals
form alkaline solution and are found in nature states
are present in earth crust
are present in earth crust as their minerals
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Question # 7
Cane sugar on hydrolysis gives
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Glucose+Glucose
Glucose+Fruclose
Glucose+Galactose
Glucose+Gacatose
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Question # 8
The boding which covalent molecules containing hydrogen and one of the small electronegative element such as O, For Mis called:
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ionic bonding
bridge bonding
H-bonding
metalic bonding
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Question # 9
Coenzymes are the species which increase the activity of enzymes. They are chemically
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Metal ions
non-metals
Organic acids
Organic bases
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Question # 10
By the mid of 1980s depletion of total overhead ozone in antarctic region is
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20%
30%
40%
50%
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Question # 11
Thrombin is locally used to stop
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Heart disease
Bleeding
Blood
None of these
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Question # 12
The general formula of amino acids is
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Question # 13
Compounds having the same molecular formula, but different functional groups show
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Metamerism
Position isomerism
Chain isomerism
Functional group isomerism
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Question # 14
Which one of the following is not a buffer
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H
2
CO
3
+ NaHCO
3
solution
H
3
PO
4
+ NaH
2
PO
4
solution
Hl + Nal solution
NH
4
OH + NH
4
CI solution
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Question # 15
Normal by product of cracking is
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Ethane
Butane
Benzene
All of them
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Question # 16
The atomic radius increases as we move down a group because
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Effective nuclear charge increases
Atomic mass increases
Additive electrons are accommodated in new electron level
Atomic number increases
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Question # 17
Which of the following is not an element?
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Graphite
Diamond
22-Carat gold
Rhombic sulphur
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Question # 18
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Positive sign
Negative sign
Without any sign
None
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Question # 19
In a group form top to bottom, the hardness of alkali metals
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Remains unchanged
Increases
Decreases
None
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Question # 20
Which is a protein?
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Nylon
Rayon
Natural silk
Terylene
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Question # 21
Cotton has cellulose in it:
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96%
97%
98%
99%
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Question # 22
The nature of interparticle forces in benzene is
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Dipole-dipole interaction
Dispersion force
Ion-dipole interaction
H-bonding
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