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Chemistry General Science Test Easy Mode MCQs With Answers
Question # 1
Canal rays are actually
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Electrons
Protons
Neutrons
X-rays
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Question # 2
_________ which occupies space and have mass.
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Matter
Atom
Molecule
All of above
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Question # 3
There are _________ elements found till now .
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120
118
119
117
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Question # 4
The smallest under of an ionic compound is
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Atom
Formula unit
Ion
Molecule
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Question # 5
Which molecule has single covalent bond?
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O
2
N
2
CI
2
CO
2
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Question # 6
The component of solution in larger amounts is ____________
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Solute
Solvent
a & b
Nil
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Question # 7
The atomic radil of the elements in periodic table:
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increase form left to right in period
increase form top to bottom
do not change form left to right in period
decrease form top to bottom in a group
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Question # 8
Mixture has _________ types.
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3
2
1
No types
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Question # 9
Neutrons have _________ charge.
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+
_
No
Nil
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Question # 10
Atoms as a whole is _________
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+
_
No
Neutral
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Question # 11
..................... is property of metals.
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Gases
Lustrous
Solids
Nil
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Question # 12
Halogenation of alkanes in the presence of diffused sunlight takes place.
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Suddenly, only in one step
Slowly in one step
In a series of step
Fastly in two steps
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Question # 13
How many times the heat capacity of water is greater than that of rocks.
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Two
Three
Four
Six
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Question # 14
Cholera is caused by
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Protozoa
Virus
Bacteria
Fungi
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Question # 15
Formula of Methyl alcohol
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CH
5
-OH
CH
3
-CH
2
-OH
All of them
None of these
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Question # 16
General formula of alkyl radical is
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C
n
H
2n+2
C
n
H
2n-
2
C
n
H
2n+1
C
n
H
2n
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Question # 17
Which acid is used for etching glass?
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HF
HCl
HBr
HI
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Question # 18
In which of the following groups , oxygen is attached on both sides with carbon atoms.
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Ketone group
Ether group
Aldehyde group
Easter group
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Question # 19
Lactic acid founds in:
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Citrus fruits
Sour milk
Rancid Butter
Apple
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Question # 20
Which is present 85% in natural gas?
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Ethane
Propane
Methane
Butane
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Question # 21
Urea is nitrogenous fertilizer. It consist of nitrogen.
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26.6 %
36.6%
46.6%
56.6%
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Question # 22
When the magnitude of Kc is very small it indicates.
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Equilibrium will never establish
All reactants will be converted to products.
Reaction will go to completion
The amount of products is negligible
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Question # 23
Choose an answer
Fe is reduced
Fe is oxidized
CI
2
is oxidized
None of these
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Question # 24
Which of the hydrogen halide has the highest percentage of ionic character.
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HCl
HBr
HF
HI
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Question # 25
The bond angle in NH3 molecule is
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109.5
o
107.5
o
104.5
o
106
o
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Question # 26
Which electron traveled more distance, when jump from
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n1 to n2
n2 ato n3
n3 to n2
n3 to n4
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Question # 27
pKa of CH3COOH is 4.74. The pKb value of CH3COO- ions will be
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7
14
9.26
zero
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Question # 28
The shape of diamond crystal is.
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cubic
Hexagonal
Tetragonal
Orthorhombic
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Question # 29
Some impurities of MgCl2 are present in NaCl which separation technique can be used to separate the impurities.
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Filtration
Crystallization
Common ion effect
Chromatography
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Question # 30
Ionic compound do nto show the phenomenon of Isomerism because bond are.
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Directional and rigid
Non directional and rigid
Non directional and non rigid
All above
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Question # 31
Which technique is used ot determine the absorption of radiations.
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Spectrometry
dilatometer method
Refractometric method
Optical rotation method
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Question # 32
The line of the balmer series in the visible region of the spectrum, but the limiting line, in the series lies in
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Visible region
X-Ray region
I.R region
U.V. region
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Question # 33
Chemical reactivity of different substance is controlled by
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Atomic number
Electronic arrangement
Mass number
Number of isotope of reactant elements
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Question # 34
Which one is alcylic compound
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Pyridine
Toluene
Ethyl Benzene
Ethylcyclobutane
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Question # 35
Which sugar is called milk sugar
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Glucose
Fructose
Lactose
Maltose
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Question # 36
Banana flavour is given by the ester
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Octyl acetate
Amyl butyrate
Amyl acetate
Ethyl butyrate
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Question # 37
The strength of binding energy of transition elements depend upon
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number of electron pairs
number of unpaired electron pairs
number of neutrons
number of protons
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Question # 38
Which of the following is an addition polymer
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Polyester
Polystyrene
Nylon 6,6
Terylene
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Question # 39
Boric acid can not be used.
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As antiseptic in medicine
For washing eyes
In soda bottle
For enamels and glazes
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Question # 40
Bone ash contain calcium phosphate
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40%
50%
70%
80%
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Question # 41
The smog which have high contents of SO2 in it, is called.
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Reducing smog
Oxidizing smog
Natural smog
Neutral smog
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Question # 42
Catalyst used to reduce carboxylic acid to alcohol is
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H
2
/ Ni
H
2
/ pt
NaBH
4
LiAIH
4
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Question # 43
Which one is perchloric acid
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HClO
HClO
HClO
3
HClO
4
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Question # 44
Which hydroxide decomposes on heating.
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LiOH
NaOH
KOH
CaOH
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