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Chemistry General Science Test Medium Mode MCQs With Answers
Question # 1
Property due to which water acts as a universal solvent is
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Polarity
It's ability to make hydrogen bond
Both A and B
Strong dipole dipole interaction
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Question # 2
The amount of Si in the lithosphere is about
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27.72%
30.35%
35.30%
40.21%
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Question # 3
Enzymes are
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simple proteins
derived proteins
compound proteins
conjugated proteins
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Question # 4
Abumins and globulins are defined as
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Derived protein
Conjugated protein
Fibrous protein
Simple Protein
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Question # 5
Factors affected denaturation of proteins:
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Change in temp and pH
Strong reducing agent
Strong oxidizing agent
All of these
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Question # 6
The largest item which is recycled is
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newspaper
plastic
aluminium
oil
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Question # 7
Which of the following waste material is not recycled for use again
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Glasses
Paper
Plastic toys
Hides of animals
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Question # 8
At freezing point of water, the density decreases due to
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change of bond angles
change of bond lengths
cubic structure of ice
empty spaces present in the structure of ice
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Question # 9
Which oxide when mixed with water, will produce the most acidic solution?
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CO
CO
2
SiO
2
P
2
O
5
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Question # 10
The strength of dipole-dipole forces depends upon
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Electro negativity difference
Distance between atoms
Electropositivity difference
Both A & B
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Question # 11
NH
3
shows a maximum boiling point among the hydrides of Vth group elements due to
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very small size of nitrogen
hydrogen bonding between its molecules
enhanced electronegative character of nitrogen
pyramidal structure of NH
3
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Question # 12
LiOH ______ soluble than NaOH
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More soluble
Less soluble
Equally soluble
None
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Question # 13
The number of unpaired electrons in Fe
3+
(Z = 26) are
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5
6
3
4
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Question # 14
Heat absorbed or released during the chemical reaction of physical process at constant pressure is equal to
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Question # 15
Reaction of acids with alcohols is also known as
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Esterification
Saponification
Alkalization
None
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Question # 16
Eletronegativity difference in C-C bond in alkanes is:
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Zero
Double
Half
4.0
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Question # 17
Which of the element is not an alkaline earth metal
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Beryllium
Strontium
Barium
Caesium
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Question # 18
Inter molecular forces in solid hydrogen are
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Covalent forces
Van der Waal forces or London dispersion forces
Hydrogen bonds
All of these
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Question # 19
When potassium metal is exposed to violet light
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Ejection of electrons takes place
Ejection of some potassium atoms occurs
There is no effect
The absorption of electrons takes place
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Question # 20
The orbitals having n + l = 5 are
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2p, 3d,3s
3p, 3d, 5s
3s, 4p, 4d
5s, 4p, 3d
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Question # 21
Which of the following is an ortho-para directing group
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Question # 22
The addition of unsymmetrical reagent to an unsymmetrical alkene is in accordance with
Choose an answer
Hund's rule
Markownikov's rule
Pauli's Exclusion principle
Auf ban principle
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