Sand and __________ is fused at 1300°C, to produce sodium silicate.
Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have
Bakelite is
__________ is not a constituent of gun powder.
Nylon 6-6 is manufactured from
Type of glass used in optical work is the __________ glass.
L.D. converter is used in the production of
Manufacture of phthalic anhydride uses __________ as a catalyst.
Nylon-6 is manufactured from
Chrome tanning and vegetable tanning are done for
Kopper-Totzek coal gasifier
Dehydrogenation of ethyl benzene produces
Phenolic antiseptics are added in the __________ soap.
P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as
Caprolactum (a raw material for nylon-6 manufacture) is produced from
Pencillin is made employing __________ fermentation process.
Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of
Which of the following is the second major component of cement ?
Starting material for the production of butadiene in India is
Cellulose percentage in bamboo fibre is about
More thanpercent of __________ is present in oleum.
Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about __________ °C.
Solvay process as compared to dual process (i.e. modified Solvay process)
Coke used for the production of calcium carbide should have
Hydrophilic group of a soap or detergent solution is
Pick out the wrong statement pertaining to the soap manufacture.
The terminology 'BTX' used in coal tar distillation industry refers to
Which of the following is not a product of coal tar distillation ?
Teflon is
Permanent hardness of water can be removed by
Sizing material is incorporated in paper to
Catalyst used during the manufacture of 'Vanaspati Ghee' is
__________ of quicklime produces slaked lime.
Main product in calcium carbide-water reaction is
Addition of calcium oxide to water produces
Reaction of ethylene glycol and dimethyl terephthalate (DMT) produces
Solvay process is used for the manufacture of
Raw material used in alcohol distilleries in India is
The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by
Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo ?
In the production of soda ash by Solvay process, the by-product is
The purpose of adding Na2CO3 to water of low alkalinity is to
Ca(OH)2 is called
Sulphuric acid saturated with SO3 is called
Which of the following is an explosive ?
Yellow phosphorus is transported under
Commonly used glass is known as the __________ glass.
Builders are added in soap to act as
Sucrose is a disaccharide consisting of
Which of the following is not responsible for causing permanent hardness of water ?
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