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Chemistry General Science Test Easy Mode MCQs With Answers
Question # 1
Fog is an example of ____________ in gas.
Choose an answer
Solid
Liquid
Gas
Plasma
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Question # 2
Bucky balls are ____________ allotropic forms of carbon.
Choose an answer
1st
2nd
3rd
4th
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Question # 3
Industrial chemistry deals with the manufacturing of compounds:
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in the laboratory
on micro scale
on commercial scale
on economic scale
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Question # 4
The formula of rust is:
Choose an answer
Fe
2
O
3
,nH
2
o
Fe
2
O
3
Fe(OH)
3
-nH
2
O
Fe(OH)
3
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Question # 5
The branch of chemistry which deals with inter conversion of electrical & chemical energy is:
Choose an answer
Biochemistry
Electrochemistry
Organic chemistry
None of these
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Question # 6
Increase in ________________ increase evaporation.
Choose an answer
Temperature
Stronger
All
None of above
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Question # 7
NaCl + H2O is ____________ solutions.
Choose an answer
Aqueous
Binary
H2O
Nil
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Question # 8
Mobility is property of ____________
Choose an answer
Liquid
Gases
A & b
Nil
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Question # 9
Which one of the following metals burns with a brick red flame?
Choose an answer
Sodium
Magnesium
Iron
Calcium
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Question # 10
In ________________ Bohr considered hydrogen atom for his model .
Choose an answer
1913
1916
1917
1918
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Question # 11
There are ____________ types of solids.
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1
2
6
4
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Question # 12
How many % age of urea is used as fertilizers?
Choose an answer
80%
90%
95%
98%
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Question # 13
Which acid is found in Ant sting?
Choose an answer
Citric Acid
Formic Acid
Uric Acid
Sulphuric acid
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Question # 14
Chemical formula of copper glance is:
Choose an answer
Cu2O
Cu2S
CuFeS2
CuSO4
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Question # 15
When the magnitude of Kc is very large in indicates.
Choose an answer
Reaction never go to completion
Reaction is in equilibrium state
Reaction will complete after some time
Reaction has almost to completion
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Question # 16
Cause of Night blindness is.
Choose an answer
Deficiency of vitamin B
Deficiency of vitamin A
Deficiency of vitamin D
Deficiency of vitamin E
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Question # 17
Acids turn
Choose an answer
Blue litmus red
Red litmus blue
Blue litmus green
Blue litmus blue
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Question # 18
Bond energy of C-C is.
Choose an answer
200 KJmol
-1
452 KJmol
-1
300 KJmol
-1
355 KJmol
-1
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Question # 19
Which one of the following species is not amphoteric?
Choose an answer
H
2
O
NH
3
HCO
3
SO
4
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Question # 20
Formation profess of Ammonia by the combination Hydrogen and Nitrogen was given by:
Choose an answer
Dalton
Thomson
Haber
Waage
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Question # 21
The water which produces good lather with soap is called:
Choose an answer
soft water
hard water
heavy water
typical water
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Question # 22
RNA consists of
Choose an answer
Ribos
Pentose
Hexose
Trioses
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Question # 23
Melting of ice can be forwarded by the use of.
Choose an answer
LiCl
BeCl2
NaCl
Ag Cl
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Question # 24
Anode rays were discovered by
Choose an answer
J. Stoney
Rutherford
J.J. Thomson
Goldstein
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Question # 25
In order to have good crystals of a substance the temperature of the system at the time of preparation of solution should be
Choose an answer
Around 0°C
Around room temperature
Sufficiently more than room temperature
Just above the room temperature
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Question # 26
The reduction potential of Zn is.
Choose an answer
+0.76 V
-0.34 B
+0.34 V
-0.76 V
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Question # 27
The oxidation number of C in C12H22O11 is
Choose an answer
Zero
- 6
+ 6
12
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Question # 28
Solvent extraction is an equilibrium process and it is controlled by.
Choose an answer
Law of mass action
The amount of solvent used
Distribution law
The amount of solute
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Question # 29
_________ was derived by C.M Guldberg and P Waage in 1864
Choose an answer
Law of conservation of Mass
Law of mass action
Law of conservation of energy
Distribution law
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Question # 30
Some impurities of MgCl2 are present in NaCl which separation technique can be used to separate the impurities.
Choose an answer
Filtration
Crystallization
Common ion effect
Chromatography
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Question # 31
Which statement is true about Na and Na+
Choose an answer
size of Na is greater than Na+
Size of Na is smaller than Na+
Both have equal size
Both have same properties
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Question # 32
The nature of positive rays depends on
Choose an answer
The nature of electrode.
The nature of discharge tube
The nature of residual gas
All of the above
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Question # 33
The distillation of liquid under reduced pressure is called.
Choose an answer
Destructive distillation
Vaccum distillation
Simple distillation
Fractional distillation
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Question # 34
Benzene can not undergo.
Choose an answer
Substitution reactions
Addition reactions
Oxidation reactions
Elimination reactions
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Question # 35
Which form of phosphorus is more stable.
Choose an answer
White
Red
Black
Both a and b
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Question # 36
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 # 37
The degree of unsaturation of fat is measured by
Choose an answer
Iodine number
Oxidation number
Reduction number
Saponification value
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Question # 38
NH4NO3 on heating at 200
o
C changes to
Choose an answer
N2O
NO
NO2
N2O4
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Question # 39
Which hydroxide decomposes on heating.
Choose an answer
LiOH
NaOH
KOH
CaOH
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Question # 40
The conversation of n-hexane into benzene by heating in in the presence of Pt is called
Choose an answer
Isomerization
Aromatization
Dealkylation
Rearrangement
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Question # 41
In which hybridization bond angle is maximum
Choose an answer
sp3
sp2
sp
sp3 and sp have same angles
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Question # 42
The colour of transition metal complexes
Choose an answer
d-d transitions of electrons
paramagnetic nature of transition elements
ionization
loss of s-electron
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Question # 43
Which woody raw material is used for the manufacture of paper pulp.
Choose an answer
Cotton
Bagasse
Poplar
Rice straw
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Question # 44
Ketones are prepared by the oxidation of.
Choose an answer
Primary alcohol
Secondary alcohol
Tertiary alcohol
None of these
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