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Chemistry General Science Test Medium Mode MCQs With Answers
Question # 1
Type of polymer formed by teh polymerization of single type of monomer is:
Choose an answer
Homopolymer
Copolymer
terpolymer
All of these
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Question # 2
Deep sea divers take oxygen with:
Choose an answer
A heavy gas
A lighter gas
An inert gas
All of above
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Question # 3
The volume of a gas that is occupied by its one mole at STP is called
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total volume
normal volume
molar volume
atomic volume
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Question # 4
In elimination reaction i.e, in the formation of alkene, the reactivity of alkyl halide is in the order:
Choose an answer
CI>Br>I
I>Br>Cl
Br>CI>I
I>CI> Br
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Question # 5
Liquefaction of gas can only be carried out if the:
Choose an answer
without caring for the value critical volume at critical stage
the temperature is more than critical and pressure is 1000 atm
the temperature is below the critical and pressure is very high
temperature is above the critical temperature and pressure can have any value
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Question # 6
Haemoglobin molecule is how many times heavier than helium atom
Choose an answer
68000 times
17000 times
,34000 times
, 1700 times
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Question # 7
If the temperature is inereased of following reaction, then will go in N2 +3H2 <---------> .2NH3, ∆H= -Ve
Choose an answer
Forward direction
Reverse direction
Remain constant
Cannot be predicted
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Question # 8
Ethanol reacts with sodium metal to liberate
Choose an answer
CO2 gas
CO gas
H2 gas
Steam
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Question # 9
In beta elimination reaction
Choose an answer
carbon number changes
unsaturated compound is formed
hybridization. ofC remains same
pi bonds are decreased
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Question # 10
Insoluble ferric oxide is produced in the pH range:
Choose an answer
1 to 8
6 to 9
3 to 13
8 to 13
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Question # 11
One Joule is equivalent to
Choose an answer
4.184 cal.
0.4184cal.
1/2 cal.
1/4.184 cal
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Question # 12
Corrosion may be prevented by
Choose an answer
Allcying
Paints
Metallic coatings
All
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Question # 13
Aniline reacts with which of these to form Schiff base?
Choose an answer
Acetic acid
Bezaldehyde
Acetone
NH
3
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Question # 14
The limiting line of Blamer series in hydrogen spectrum lies in
Choose an answer
Visible regions
Ultraviolet region
Infrared region
x-rays region
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Question # 15
Ethanol can be converted into ethanoic acid by
Choose an answer
Hydrogenation
Hydration
oxidation
Frmentation
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Question # 16
At what pH glycine shows the structure H
3N
+
-- CH
2
-- COOH
Choose an answer
2
7
10
14
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Question # 17
Which of the following nitrogen fertilizer contains more nitrogen
Choose an answer
NaNO
3
KNO
3
NH
4
NO
3
Urea
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Question # 18
In the atmosphere, CO
2
is about
Choose an answer
0.01%
0.03%
0.05%
0.09%
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Question # 19
Le-chatlier's principle is applied on the reversible reaction in order to
Choose an answer
Determine the rate of reaction
Predict the direction of reaction
Determine the extent of reaction
Find best conditions for favorable shifting the position of equilibrium
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Question # 20
Purification of an impure copper is made by electrolytic cell, in which impure copper is anode and pure copper is cathode, and the electrolyte used is
Choose an answer
H
2
SO
4
CuSO
4
ZnSO
4
Na
2
SO
4
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Question # 21
A solution containing maximum amount of solute dissolved at a given temperature is called
Choose an answer
Saturated solution
Unsaturated solution
Supersaturated solution
Impure solution
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Question # 22
Choose an answer
2-bromo-3-methylbutane
3-methyl-2-bromobutane
2-methyl-3-bromobutane
All of these
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