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Chemistry General Science Test Medium Mode MCQs With Answers
Question # 1
When HCI gas is passed through saturated solution of rock salt, the solubility of NaCl
Choose an answer
Increases
May increase or decrease
Decreases
None of these
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Question # 2
Which of the following is a pseudo solid?
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CaF
2
glass
NaCl
all these
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Question # 3
Macro-nutrients are required in quantities ranging from
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5 kg - 200 kg
2 kg - 100 kg
1 kg - 50 kg
10 kg - 100 kg
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Question # 4
Which of the following reactants will be required to form ethene from ethyl chloride
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Alcoholic KOH
Alkaline KMnO4
Aqucous KOH
Aqucous NaOH
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Question # 5
Which pair of molecules have debye force
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Ne and Ne
Argon and water
Na
+
ion and water
Water and water
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Question # 6
Ether show the phenomenon of
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Positional isomerism
Functional group isomeris
Meta merism
Cis trans isomerism
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Question # 7
At STP,a container has 1 mole of Ar,2 moles of CO
2
,3 moles of O
2
and 4 moles of N
2
.Without changing the total pressure if one mole of O
2
is removed,the partial pressure of O
2
Choose an answer
Is changed by about 26%
Is halved
Is unchanged
Change by 33%
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Question # 8
The highest melting point is observed by
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Butanoic acid
Propanoic acid
Pentanoie acid
HCI
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Question # 9
An excellent source of energy without causing pollution is
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Fossil fuel
Sun
Petroleum
Nuclear reactor
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Question # 10
The gases law describe the ______ Behaviour of gases
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Variable
Constant
Uniform
Best
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Question # 11
Most of the universe consists of the matter in :
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Gaseous state
Liquid state
Plazma state
Solid state
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Question # 12
In the extraction of iron, slag is produced which is
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CO
FeSiO
3
MgSiO
3
CaSiO
3
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Question # 13
Proteins and amino acid can be separated by:
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Filtration
Sublimation
Chromatography
Suction
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Question # 14
Allyl chloride on dehydrochlorination gives
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Propadiene
Propylene
Allyl alcohol
Acetone
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Question # 15
Which reaction sequence would be best to prepare 3-chloro-aniline from benzene?
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Chlorination, nitration, reducing
Nitration, chlorination, reducition
Nitration, reduction,chlorination
Nitration, reduction, acylation, chlorination, hydrolysis
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Question # 16
Which of the following will affect the rate :
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First step of reaction.
Last step of reaction.
Rate determining step.
Fastest step.
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Question # 17
The ratio of the ionization energy of H and Be
3+
is
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1 : 1
1 : 3
1 : 9
1 : 16
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Question # 18
The orbital in Rutherford's model is
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Spiral
Circular
Both
None
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Question # 19
Ethyl alcohol gives ethyl chloride with the help of
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SOCl
2
NaCl
Cl
2
KCl
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Question # 20
The active part in a molecule is called
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Hetroatom
Functional group
Chemical bond
Ion
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Question # 21
Choose an answer
Q and R Q and R
R only Q and R
Q and R R only
Q only R only
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Question # 22
Formic Acid is obtained from Red out by:
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Distillation
Crystallization
Filtration
sublimation
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