Calcination of limestone is not done in a __________ kiln for producing lime.
Tall oil obtained as a by-product from the black liquor recovery is
Commercially ethylene is produced from naphtha by
Which of the following, when pyrolysed, produces perchloro-ethylene ?
The major constituents of glass are
Gun powder uses
__________ is a polysacchride.
Neoprene is a
Poly Vinyl Chloride (P.V.C.) is a __________ material.
Chemical name of aspirin (an analgesic drug) is
Margarine is a/an
Dichloro diphenyl __________ is the full form of DDT (an insecticide).
Styrene is produced from ethyl benzene by the process of
Saponification value/number of an oil or fat is a measure of its
Pig iron is produced by blast furnaces in India using mostly the iron ore named
Which is the most efficient absorbant for SO3 out of the following ?
Oils and fats are converted to soap in a process called
The basic difference between vegetable oils and fats is in their
Acetone is produced by catalytic dehydrogenation of
Ethyl alcohol cannot be produced
The difference between saponification value and acid value is
Coal tar is used as a
Glycerine can be obtained from
Calgon used in water treatment is chemically
Kaoline is a/an
Pick out the wrong statement.
The process used for the manufacture of ethyl alcohol from molasses is
Drinking (potable) water treatment does not involve
Which oil is preferred for paint manufacture ?
Hydrogenation of edible vegetable oils
Molecular weights of polymers are in the range of
Fermentation of molasses to produce ethyl alcohol is done at __________ °C
The catalyst used in the production of elemental sulphur from H(by oxidation-reduction) is
Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent.
Phenol formaldehyde resin is used as an adhesive in making
Styrene butadiene rubber (SBR) is
Phenol is mainly used
Main constituent of dolomite is
Sulphur removal by heating of pyrite ore in presence of air is called its
Deacon's method is used for the manufacture of
The catalyst used in the manufacture of DDT is
Most widely and commonly used coagulant for the removal of suspended impurities in water is
A good quality coal should have
Zeolite used in water softening process (cation exchange) is regenerated by washing with
Absorption of SO3 inH2SO4 is
Pick out the correct statement.
DDT should not be allowed to come in contact with iron (during its manufacture) to
Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at
Conversion of CO to CO2 by steam in presence of a catalyst is called
Pick out the true statement pertaining to water treatment.
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