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Chemistry General Science Test Medium Mode MCQs With Answers
Question # 1
Which of the following is sweetest sugar
Choose an answer
Glucose
Maltose
Fructose
Sucrose
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Question # 2
Some substance are good conductors of electricity in both the solid and liquid states. These substance are generally:
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molecular solids
ionic substances
metallic substances
covalent network solids
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Question # 3
The steroids of fungi and yeast are called:
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Vitamin D
Vitamin D
2
Ergosterol
Cholesterol
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Question # 4
Which of the following statement is correct if the intermolecular forces in liquids A,B and C are in the order A < B < C?
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B evaporates more readily than A
B evaporates less readily than C
A and B evaporates at the same rate
A evaporates more readily than C
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Question # 5
Calendar stock is process in paper making in which
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Moisture is removed
Pulp is spreaded over fabric or screen
Paper thickness is removed
Paper is wounded in the form of reel
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Question # 6
Temperature required for the dehydration of ethanol into ethene in the presence of HaSOu is
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130°C
170°C
175°C
180°C
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Question # 7
Which of the follwing dnes not give brick red precispitate wits Fehling's solution
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Acetaldehyde
Formalin
prorionaldehyde
Acetone
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Question # 8
Which is the least reactive of all the alkali metals
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Li
Na
K
Cs
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Question # 9
There are 20 amino acids found in protein which is not the property of these amino acids
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They are all alpha-amino acids
They are all optically active
They have high decomposition point
They are water soluble
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Question # 10
One of the following does not give the flame test. Which is that
Choose an answer
Sr
Bа
Be
Na
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Question # 11
Most complex structure of protein is
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Primary protein
Secondary protein
Tertiary protein
Quaternary protein
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Question # 12
Sulphur dioxide affects
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Cell wall
Plasmodesmata
All membrane systems
Nucleus
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Question # 13
The fourth period contains elements
Choose an answer
8
16
18
32
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Question # 14
The process of osmosis was first discovered by
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Nollet
Pfeffer
Traube
Dutrochet
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Question # 15
The chemist who synthesized urea from ammonium cyanate was
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Berzelius
Kolbe
Wholer
Lavoisier
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Question # 16
The formation of compounds like PF
5
, BCI
3
, SF
6
indicates that
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These halides are ionic
These halides are covalent
They are Lewis acids
Octet rule not obeyed so the rule is not universal
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Question # 17
Polymer formation from monomers starts by
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Condensation reaction between monomers
Coordination reaction between monomers
Conversion of monomer to monomer ions by protons
Hydrolysis of monomers
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Question # 18
Which is not a calcareous material
Choose an answer
Lime
Clay
Marble
Marine shell
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Question # 19
The raw materials for the manufacture of urea fertilizer is
Choose an answer
Hydrogen and ammonia
Steam, methane, ammonia
Methane and air
None of these
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Question # 20
Choose an answer
2-chlorobutanal
alfa-chlorobutanal
2-chlorobutyraldehyde
alfa- chlorobutyraldehyde
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Question # 21
Lime, calcium oxide, is used in agriculture for
Choose an answer
Adding ca metal in soil
Making soil acidic
Neutralizing acidic soil
Adding oxygen to soil
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Question # 22
A solution is a homogeneous mixture of two or more kinds different :
Choose an answer
Molecular.
Covalent substance
Ionic Substances
Both (a) and (c)
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