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Chemistry General Science Test Easy Mode MCQs With Answers
Question # 1
Effusion is a property of:
Choose an answer
Gases
LIquids
Solids
Plasma
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Question # 2
Scientist used ___________ method.
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Scientific
Non-scientific
Bot
Non
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Question # 3
Electrons carry _________ charge.
Choose an answer
+
_
Neutral
Bouble Positive
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Question # 4
Suspension's solute particles ____________ at bottom.
Choose an answer
Dissolves
Settle
Both
Nil
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Question # 5
Diamonds exists in ____________ form.
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Cubic
Linear
Circular
Nil
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Question # 6
____________ agents gains electrons in chemical reaction.
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Reduction
Oxidation
Both
None of these
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Question # 7
The elements of group 17 are called:
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Carbon family
Noble gases
Alkaline earth metals
Halogen family
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Question # 8
The periodic table consist of ________________ columns.
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Periods
Rows
Column
Nil
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Question # 9
____________ is prevented by Metallic coating.
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NaCl
Rust
All
None of these
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Question # 10
Gain of electrons in a reaction is called ____________reaction.
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Oxidation
Reduction
Both
Nil
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Question # 11
Long form of periodic Table is constructed the basis of:
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Mendeleev postulate
atomic number
atomic mass
mass number
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Question # 12
Carbon black is used in the manufacture of.
Choose an answer
Dry cleaning
Shoe polishes.
Fertilizer
None of these
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Question # 13
General formula of alkynes is:
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C
n
H
n
C
n
H
2n
C
n
H
2n+2
C
n
H
2n-2
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Question # 14
Guldberg and waage put forward law of mass action in:
Choose an answer
1860
1869
1870
1879
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Question # 15
Formula of soda ash is.
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Na
2
CO
3
NaHCO
3
Na
2
SO
4
Na
3
PO
4
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Question # 16
The lives of aquatic plants and animals are indirectly related to concentration of dissolved gas in water.
Choose an answer
Nitrogen
Hydrogen
Oxygen
Carbon
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Question # 17
Which hydrocarbon has no effect on an aqueous solution of bromine.
Choose an answer
CH
4
C
10
H
20
C
2
H
2
C
2
H
4
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Question # 18
Runcid butter has
Choose an answer
Foul smell
Rotten egg smell
Pungent smell
No smell
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Question # 19
99% of atmosphere consists of .
Choose an answer
N
2
and H
2
N
2
and O
2
N
2
and CO
2
O
2
and CO
2
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Question # 20
Alkanes are produced in large amounts by cracking of
Choose an answer
Natural gas
Petroleum
Benzene
Xylol
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Question # 21
Dehydrohalogenation of vicinal-dihalides take place in the presence of.
Choose an answer
NaOH
KOH
NaCl
None of these
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Question # 22
the removal of which ion causes water softening.
Choose an answer
Na
+
Mg
2
Li
+
K
+
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Question # 23
Which substances has diffused melting point.
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Crystalline solids
Amorphous solids
Metallic solids
Covalent solids
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Question # 24
Vapour pressure of a substance does not depend upon.
Choose an answer
Temperature
Intermolecular forces
Surface area
Physical state of water
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Question # 25
Which substance have delta E = Delta H and no pressure - volume work.
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Liquids only
Solids only
Gases only
Liquids and solids
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Question # 26
The number of molecules in one dm
3
of water is close to
Choose an answer
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Question # 27
Gooch crucible is made of.
Choose an answer
Glass
Paper
Teflon
Procelain
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Question # 28
The number of bonds in oxygen molecules.
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One sigma and One pi
One sigma and two Pi
Three sigma only
Two sig and two pi
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Question # 29
Which of the following wave properties is inversely proportional to the energy for electromagnetic radiations
Choose an answer
Frequency
Wave number
Velocity
Wave length
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Question # 30
Water and Phenol are partially miscible to each other at room temperature when both liquids are mixed together which is upper layer.
Choose an answer
Water in Phenol
Phenol and water
Pure phenol
Pure water
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Question # 31
Which is pseudo solid
Choose an answer
CaF2
Glass
NaCl
CaCl2
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Question # 32
Which one of the following relationship is correct about energy and frequency.
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E = hv
E = h/v
E = v/h
h = v/E
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Question # 33
The number of bonds in nitrogen molecules is.
Choose an answer
One pi and one sigma
One pi and two sigma
Thre sigma only
Two pi and one sigma
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Question # 34
The solution of which acid is used for seasoning of food
Choose an answer
Benzoic acid
Butanoic acid
Formic acid
Acetic acid
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Question # 35
The reactivity order of alkyl halides for a particular alkyl group is.
Choose an answer
Fluoride > Chloride > Bromide > Iodide
Chloride > Bromide >Chloride > Fluoride
Iodide > Bromide > Chloride > Fluoride
Bromide > Iodide > Chloride > Fluoride
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Question # 36
Which one of the following compounds is not derivative of NH3.
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Aniline
Hydrazine
Phenyl hydrazine
Picric acid
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Question # 37
During Nitration of Benzene the active nitrating agent is
Choose an answer
NO
3
NO
2
+
NO
2
HNO
3
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Question # 38
An atom or group of atoms, which confers characteristic properties to organic compounds, are called.
Choose an answer
Isomerism
Metamerism
Ligands
Functional groups
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Question # 39
In which ore carbon is present
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Magnesite
Epsom salt
Barite
Sylvite
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Question # 40
The transition elements which are present in 4th period of periodic table have atomic number.
Choose an answer
22 to 30
21 to 30
21 to 29
21 to 31
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Question # 41
Which the correct statement
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Cl
-
is smaller than Cl atom
Cl
-
(Ion) and Cl (atom) are equal in size
Na
+
is smaller than Na atom
Na
+
is larger than Na atom
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Question # 42
Ammonium nitrate fertilizers is not used for which crop
Choose an answer
Cotton
Wheat
Sugar cane
Paddy rice
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Question # 43
the percentage of nitrogen in NH3 is
Choose an answer
46%
60%
82%
100%
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Question # 44
A carboxylic acid contains
Choose an answer
A hydroxyl group
A carboxyl group
A hydroxyl and carboxyl group
A carboxyl and an aldehydic group
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