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Chemistry General Science Test Medium Mode MCQs With Answers
Question # 1
As gases can adopt the shape of the container. Therefore gases have:
Choose an answer
different shapes
fixed shapes
no fixed shapes
definite shapes
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Question # 2
Any substance in the environment which adversely affects the human health and natural functioning of the Ecosystem is known as
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environment
hydrosphere
pollutant
biosphere
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Question # 3
Amount of fresh water used by agriculture is
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2%
23%
69%
97%
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Question # 4
In esterification, the OH of carboxylic acid is replaced by
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OR+
R+
OR
R
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Question # 5
Carboxylic acids having carboxyl group one is called:
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Mono carboxylic acid
Di-carboxylic acid
Teri-carboxylic acid
Tetra carboxylic acid
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Question # 6
Amino acids react together to form the primary structure of proteins which is accompanied by
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addition of water
addition of ammonia
removal of ammonia
removal of water
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Question # 7
Daily protein intake for normal adults should be:
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0.2g/kg
0.5g/kg
0.8g/kg
1.1g/kg
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Question # 8
The values of ∆H for the process l(g)+e-1--------->
I-1(g) is:
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>0
<0
0
None
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Question # 9
Which of these polymer is synthetic polymer
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Animal fat
Starch
Cellulose
Polyester
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Question # 10
In a cubic lattice a unit cell is shard equally by how many unit cells?
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4
2
6
8
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Question # 11
Macromolecules are classified:
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inorganic
organic
biopolymer
synthetic
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Question # 12
The fibre which contains polymers of vinylidine chloride as fibre forming substance is known as
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Saran fibre
Nylon
Polyester
Acetate fibre
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Question # 13
Which property is not present in lipids?
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Liquid
Solid or semi solid
Soluble in water
Form emultion
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Question # 14
The number of subatomic particles in atoms sidcovered is more than:
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110
100
125
90
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Question # 15
The covalent radius of Cl atom is:
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99.4 pm.
176.7 pm
38 pm
76 pm.
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Question # 16
The order of reactivity for a given halogen in Grignard's reagent is:
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CH
3
X > C
2
H
5
X > C
3
H
4
X > C
4
H
4
X
C
2
H
5
X > C
3
H
7
X > C
4
H
5
X > CH
4
X
C
3
H
7
X > C
4
H
7
X > CH
3
X > C
2
H
5
X
C
4
H
4
X > C
3
H
7
X > C
2
H
5
X > CH
4
X
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Question # 17
General formula of aromatic carboxyl acids
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R---------------OH
RCOOH
RCOR
ARCOOH
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Question # 18
On the basis of VSEPR theory SO
2
is a
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Liner molecule
A bent molecule
A strong molecule
A gaseous molecule
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Question # 19
When methane reacts with Cl
2
in the presence of diffused light the products obtained are?
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Chloroform only
Carbon tetrachloride only
Chloromethane and dichloromethane
Mixture of a,b,c
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Question # 20
Which teat is not given by both glucose and fructose
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Give yellow ppt of CHl
3
with alkaline aqueous iodine
With 2, 4-DNPH give yellow ppt of hydrazone
Evolve H
2
gas with Na metal
Oxidised with [Ag(NH
3
)
2
]
+
i.e. Tollen's reagent
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Question # 21
Which of the following form normal oxide
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K
Li
Na
None
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Question # 22
There are 20 amino acids found in protein which is not the property of these amino acids
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They are all
α
-amino acids
They are all optically active
They have high decomposition point
They are water soluble
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