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Chemistry General Science Test Medium Mode MCQs With Answers
Question # 1
According to the kinetic theory of gases,in an ideal gas,between two successive collisions a gas molecule travels
Choose an answer
Ina circular path
In a wavy path
In a straight line path
With an accelerated velocity
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Question # 2
At constant temperature, volume of given mass of a gas is inversely proportional to pressure on it. This is statement of
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Charles law
Boyle's law
Hooks law
Grahams law
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Question # 3
If a graph is plotted between temperature on x-axis and volume on Y-axis for 1 mole of gas,then we get straight line which cuts the temperature axis at
Choose an answer
-300
°C
300 K
-273.15 K
273.15
°C
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Question # 4
The crystal of K
2
SO
4
and K
2
CrO
4
are orthorhombic. These are isomrophs due to
Choose an answer
same physical properties
their cations identical
number of O atms is equal
same shape of SO
4
-2
and CrO
4
-2
tetrahedral
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Question # 5
The original volume of a gas at 0
° is 273 cm
3
at constant pressure, its volume at 273
°C becomes
Choose an answer
zero cm
3
546 cm
3
446 cm
3
346 cm
3
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Question # 6
Which of the following is soluble in water?
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СН3ОН
CCL4
CHCI3
CS2
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Question # 7
If the energy of the activated complex lies close to energy of reactants, it means that reaction is
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Slow
Exothermic
Endothermic
Exothermic and fast
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Question # 8
The clotting time of blood is increased due to the deficiency of
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vitamin A
vitamin K
vitamin D
vitamin C
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Question # 9
Adipic acid and Hexamethylenediammine polymerize to give
Choose an answer
Acrylic resins
Plastic fiber
Nylon-6, 6
None
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Question # 10
In elimination reaction i.e, in the formation of alkene, the reactivity of alkyl halide is in the order:
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CI>Br>I
I>Br>Cl
Br>CI>I
I>CI> Br
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Question # 11
The active group of glutathione is
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Amino group
Sulfhydryl group
Carboxylic group
Imino group
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Question # 12
Among the lanthandes the one obtained by synthetic method is
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Lu
Pm
Pr
Gd
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Question # 13
Bakelite is obtained from phenol by reacting with
Choose an answer
Acetaldehyde
Acetal
Formaldehyde
Chlorobenzene
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Question # 14
The basic difference between synthetic and natural fertilizer is in their
Choose an answer
Rae material
Crop application
Usage
Shapes
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Question # 15
Monosaccharides belong to the group
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Lipids
Fats
Proteins
Carbohydrates
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Question # 16
Which of the following solution has the highest boiling point
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5.85% solution of sodium chloride
18.0% solution of glucose
6.0% solution of urea
All have the same boiling point
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Question # 17
Borax is hydrated:
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Penta
Deca
Hepta
Octa
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Question # 18
The function of salt bridge in the galvanic or voltaic cell is to
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Carry out oxidation at anode
To carry out reduction at cathode
Carry out electrolysis
To prevent the net charge accumulation in either of the half cells
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Question # 19
Molarity of pure water is :
Choose an answer
33.3
55.5
44.4
66.6
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Question # 20
When formaldehyde is added to Grignard reagent we get
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Aldehyde
Acetone
Primary alcohol
Secondary alcohol
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Question # 21
As it passes into food chain, the concentration of DDT
Choose an answer
Remains same
Decreases
Increases
Unpredictable
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Question # 22
The radius of ion while considering it to be spherical in shape is called:
Choose an answer
Covalent radii.
Atomic radii.
Ionic radii.
Both (a) and (C).
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