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Chemistry General Science Test Medium Mode MCQs With Answers
Question # 1
Which of the following is a non-typical transition element?
Choose an answer
Cr
Zn
Mn
Fe
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Question # 2
Plastic, rubber, synthetic fibers belong to macromolecules:
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Inorganic
organic
Biopolymer
synthetic
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Question # 3
Pan is an irritant to human beings and it affects
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Eyes
Nose
Hair
Skin
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Question # 4
Which of the following are thermoplastic materials?
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PVC
polystyrenes
polyethylene
all these
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Question # 5
Cotton is an example of
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animal fibre
mineral fibre
vegetable fibre
synthetic fibre
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Question # 6
If v is the volume of one molecule of a gas under given conditions, then Van der Waals constant b is (N
A
is Avogadro number)
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Question # 7
Oxidation of secondary alcohol produces
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Aldehyde
Ketone
Alkyl halide
Ester
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Question # 8
According to the general gas equation, density of an ideal gas depends upon
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Pressure
Temperature
Molar mass of the gas
All of the above
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Question # 9
In a group, the atomic radii from top to bottom
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increase
decrease
don't change
show variable trend
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Question # 10
The reason of acid rain is:
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release of CO in excess by in complete combustion
excess release of NO
2
and SO
2
from burning of fossil fuels
Formation of NH
3
in excess form industry and coal gas
Formation of excess CO
2
due to combustion and respiration
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Question # 11
Polysaccharides are
Choose an answer
Polyester
Polyamides
Poly ethers
Polynucleotide
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Question # 12
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 # 13
The value of K
p
is greater than K
c
for a gaseous reaction when
Choose an answer
Number of molecules of products is greater than the reactants
Number of molecules of reactants is greater than those of products
Number of molecules of reactants and products equal
Catalyst is added
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Question # 14
A white precipitate
of
silver
chloride
immediately formed on
addition
of :
Choose an answer
Silver nitrate solution to sodium chloride solution.
Silver chloride solution to sodium nitrate solution.
Silver nitrate solution to potassium chloride solution
Silver nitrate solution to hydrogen chloride solution.
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Question # 15
Alkene general formula :
Choose an answer
C
n
H
2n+2
C
n
H
2n
C
n
H
2n-2
C
n
H
2n+1
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Question # 16
In carboxyl group the bond between C and oxygen is:
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Sigma bond
Single bond
Double Bond
Triple bond
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Question # 17
The most distinctive character among the elements is their division into
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Metals and non-metals
Solids, liquids and gases
Atoms and molecules
Active and inactive elements
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Question # 18
Pb has inert pair of electrons:
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One
Two
Three
Four
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Question # 19
Chemistry related to the study of environment affected by the chemicals and pollutants is called:
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Biochemistry
Physical chemistry
Pharmaceutical chemistry
Environmental chemistry
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Question # 20
Compounds having same molecular formula but different structures are said to be
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Monomers
Isomers
Metamers
Tautomers
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Question # 21
Ammonia is injected under the soil surface:
Choose an answer
1 Feet
6 inches
6 Feet
9 inches
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Question # 22
A chemical reaction is in equilibrium when
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Formation of product is minimum
Reactants are completely transformed into products
Rates of forward and backward reactions are equal
Equal amounts of reactants and products are present
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