Pain relievers
Antibiotics
Used in the treatment of T.B.
Used in the treatment of typhoid
A. Pain relievers
Surfactant
Builder
Optical brightening agent
Anti soil redeposition agent
10 atm., 800 °C
10 atm., 170-180°C
1 atm., 170 - 180°C
1 atm., 800°C
A slow reaction
A discontinuous reaction (requiring regeneration of iron by water gas intermittently)
Still in development stage (by employing fluidised bed technique)
All (A), (B) and (C)
Tetrachloroethane
Trichloroethane
Tetrachloromethane
Trichloromethane
Inhibits/destroys the growth of microorganisms
Is used as a pain reliever
Is an antimalarial
Is an anaesthetic
CO2
CaSO4
CaHCO3
None of these
Metals
Alloys
Refractories
Non-metals
Jena
Flint
Crookes
Pyrex
Nickel
Vanadium
Alumina
Iron
Deaeration
Dechlorination
Both (A) & (B)
Neither (A) nor (B)
Permit the use of alum as a coagulant
Increase the softening capacity of zeolite
Facilitate easy regeneration of zeolite
All (A), (B) and (C)
Helium
Neon
Krypton
Argon
Conversion of SO2 to SO3 in Monsanto-4 pass converter is about 98%
The chemical formula of oleum is H2S2O7, which is formed by saturating sulphuric acid with sulphur trioxide
Vitriol oil is nothing but technical sulphuric acid
Decomposition of sulphuric acid on heating does not start before its boiling
Lignin
Cellulose
Starch
Gelatine
Hard water contains sulphate
They form insoluble calcium soaps which precipitate
They attract back the removed dirt
None of these
Pain relievers
Antibiotics
Used in the treatment of T.B.
Used in the treatment of typhoid
Drying
Semi-drying
Non-drying
None of these
Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions)
Inhibits its corrosive effects
Does not allow redeposition of dirt on the cleaned surface
None of these
Strongly caking coal should not be used in the Lurgi gasifier
Acetylene gas cannot be used for illumination purpose
Water gas is called blue gas because of the color of the flame, when it is burnt
Gaseous fuels require less percentage of excess air for combustion as compared to liquid fuels
Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures
Reduces sulphate ions to sulphides causing obnoxious smell
Increases the quantity of chlorine used for its purification
All (A), (B) and (C)
Chloramine
Chlorine
Ferrous sulphate
Hydrogen peroxide
Bicarbonates & sulphates of calcium and magnesium
Undesirable taste and odour
Bacteria
Its corrosiveness
Chlorine
Ferric sulphate
Calcium sulphate
Activated carbon
Butyl alcohol
Propyl alcohol
Ethanol
Methyl alcohol
A fat is converted into oil by its hydrogenation
There is no difference between a fat and an oil so far as its physical properties are concerned
All vegetable oils except coconut oil, contains fatty acids having more than sixteen carbon atoms
Vegetable oils are classified as drying, non-drying and semi drying oils depending upon their fatty acids content
Citric acid
Invertage
Benzoyl peroxide
Ammonium chloride
Nickel
Platinum
Iron
Alumina
Roasting
Smelting
Froth floatation
Electromagnetic separation
Catalytic hydrogenation of carbon monoxide produces methyl alcohol
In nylon-6, the number 6 represents the total number of carbon atoms in the ring
Raw materials for DDT manufacture are benzene and chlorine
Ethanolamines are produced by using ammonia and ethylene oxide as raw material
Inferior coke compared to low temperature carbonisation
Less of gases compared to liquid products
Larger quantity of tar compared to low temperature carbonisation
None of these