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Science
Carbon And Its Compounds
Quiz 1
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Q.1
Which of the following hydrocarbons has a double bond in its carbon skeleton?
C3H8
C2H6
C2H2
C2H4
Q.2
What is formed when an organic compound is bunt?
Carbon dioxide
Hydrogen peroxide
Carbon Sulfide
Hydrogen Sulfide
Q.3
General formula of Alkane is
CnH2n+2
CnH2n
CnH2n+1OH
CnH2n+1COOH
Q.4
Carbon Dioxide constitutes about___________ of air volume.
20%
6%
0%
0.04%
Q.5
Who studied the role of carbon dioxide in respiration?
Irving Langmuir
Wendell Meredith Stanley
Antonie Lavoisier
Theodor Svedberg
Q.6
Who discovered carbon dioxide?
John Dalton
Charles Adolphe Wurtz
Jan Baptista van Helmont
Q.7
Carbon dioxide is the covalent compound of:-[you can select more than one correct answer in this question]
Oxygen
Carbon
Helium
Both A & B
Q.8
Select the correct properties of carbon dioxide:-
It is slightly acidic gas
It is non-poisonous gas
It is lighter than air
Both A & B
Q.9
When is the main oxide of carbon formed?
During photosynthesis
During erosion of soil
during the combustion of hydrocarbonfuels
Q.10
Carbon Dioxide forms a snow-white solid called dry ice to-
64 degree Celsius
- 78 degree Celsius
-70 degree Celsius
Q.11
True or False:- Carbon Dioxide is fairly soluble in Water
True
False
Q.12
Which is a semiconductor?
graphite
diamond
fullerene
none of these
Q.13
Which is extremely hard?
graphite
diamond
fullerene
none of these
Q.14
Which is used in pencils ?
graphite
diamond
fullerene
none of these
Q.15
Which of the following formulas is inorganic?
CHO
CH
SiO
CHCOOH
Q.16
What would the formula be for thecarbon alkene?
C56H114
C56H112
C56H110
C56H56
Q.17
Which are the four organic compounds found in living things?
Carbohydrates, Lipids, Proteins, Nucleic Acids
Fats, Proteins, Atoms, Osmosis
Eating, Sleeping, Breathing, Talking
Anything without Carbon in it
Q.18
Which has ahexagonal layered structure?
graphite
diamond
fullerene
all of these
Q.19
Which consists of carbon atoms?
graphite
diamond
fullerene
all of these
Q.20
Which compound below is Organic?
C6H12O6
H2O
N2
BaBr2
0 h : 0 m : 1 s
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