environmental chemistry - Category wise Question and Answer Practice Test with Solutions
Question : 11
Presence of which of the following fuel gas in the exhaust fumes shows incomplete combustion of fuel?
a) Carbon monoxide and water vapour
b) Carbon monoxide
c) Sulphur dioxide
d) Nitrogen dioxide
Answer »Answer: (b)
Presence of CO in the exhaust fumes shows incomplete combustion.
Question : 13
The false statement among the followings :
a) Limestone acts as a sink for $SO_x$
b) $SO_x$ can be removed from flue gases by passing through a solution of citrate ions
c) The average residence time of NO is one month
d) Ammonia acts as a sink for $NO_x$
Answer »Answer: (c)
The average residence time of NO is 4 days.
Question : 15
Which one of the following statements about ozone and ozone layer is true?
a) The conversion of ozone to oxygen is an endothermic reaction
b) Ozone layer is beneficial to us because ozone cuts out the ultraviolet radiation of the sun
c) Ozone has a triatomic linear molecule
d) None
Answer »Answer: (b)
Statement (a) is correct.
IMPORTANT general science mcq EXERCISES
set 3 Online Quiz
Click to Start..general science mcq CATEGORIES
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» Measurement And SI Units
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» Measuring Devices And Scales
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» Mechanics (Mass, Force, Acceleration, Work, Energy, Momentum, Velocity)
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» Force Of Gravity, Solids And Fluids
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» Motion Under Gravity
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» Physical Properties Of Materials
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» Light, Heat, Thermodynamics, Wave Motion, Sound, Optics & Oscillations
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» Electric Current And Magnetism
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» Nuclear Physics And Conductivity
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» Modern And Space Physics, Sources Of Energy
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» General Concepts Of Chemistry
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» Nature Of Matter And Composition
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» Atomic Structure Molecules And Nuclear Chemistry
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» Classification Of Elements, Chemical Bonding, Periodicity In Properties & Physical Transformation
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» Metals, Non Metals, Minerals, Ores, Properties, Uses
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» Alloys, Carbon & Its Various Forms, Hydrogen & Compounds, Sulphur, Nitrogen, Halogen & Inert Gases
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» Acids, Bases, Salts And Metals
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» Hydrocarbon, Alcohol, Polymer, Organic Acid And Explosive Substance
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» Fuel, Food Preservation, Nutrition, Medicine, Detergents And Fertilizers
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» Inorganic Chemistry
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» Organic Chemistry
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» Environmental Chemistry
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» Some Important Man Made Materials
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» Sub Divisions Of Biology
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» Genetics, Evolution Of Life & Ecological Biodiversity
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» Taxonomy
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» Heredity
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» Biofertilizer
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» Biological Classification Cell Tissues And Division
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» Human Anatomy
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» Blood Transport System
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» Digestion And Excretion
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» Photosynthesis
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» Vitamins, Nutrition, Health, Disease And Treatment
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» Endocrine Glands, Hormones
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» Physiology Of Plants, Humans And Animals
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» Reproduction
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» Genetic Engineering And Bio Technology
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