organic chemistry - Category wise Question and Answer Practice Test with Solutions
Question : 6
The order of appearance of the following with increasing temperature during the refining of crude oil is _____________ .
a) Gasoline, kerosene, diesel
b) Kerosene, gasoline, diesel
c) Diesel, gasoline, kerosene
d) Gasoline, diesel, kerosene
Answer »Answer: (a)
Petroleum products are usually grouped into three categories:
- Light distillates (LPG, gasoline, naphtha),
- Middle distillates (kerosene, diesel),
- Heavy distillates and residuum (heavy fuel oil, lubricating oils, wax, asphalt).
Hence, the correct option would be Gasoline, kerosene, and diesel.
Question : 8 [IAS Prelim]
Assertion (A) :
The main constituent of the liquefied petroleum gas is methane.
Reason (R) :
Methane can be used directly for burning in homes and factories where it can be supplied through pipelines.
a) Both A and R are true but R is not the correct explanation of A
b) A is true but R is false
c) Both A and R are true and R is the correct explanation of A
d) A is false but R is true
Answer »Answer: (d)
IMPORTANT general science mcq EXERCISES
objective questions set 1 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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