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__________ glass is used for the manufacture of optical glass.
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Flexible foam (for mattresses) is usually made of
Acrylonitrile is mainly used in the __________ industry.
Diaphragm electrolytic cell as compared to mercury electrolytic cell
Blue vitriol is chemically
The noble gas which occurs most abundantly in the atmosphere is
Which of the following is not an antibiotic?
Flux addition during smelting of ore is done to
Fatty material used in soap making is
Aryl benzene sulphonate (ABS) is a
Bitterns is a/an
Which of the following is not present in bagasse fibre?
Oils and fats are converted to soap in a process called
Gun powder, which is an explosive comprises of charcoal, sulphur and
Bleaching powder (chemically known as calcium chloro hypochlorite) is…
Commercial production of calcium carbide requires limestone and __________…
Bordeaux mixture is a/an
Which of the following is the main constituent of the mother liquor produced…
Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g.…
Permanent hardness of water can be removed by
Sucrose is a
In contact process, SO3 is absorbed in 97% H2SO4 and not in water, because
In the Solvay process, the product from the calciner is
__________ process is used for the commercial production of nitric acid…
Highly porous refractory bricks are
Digestion of wood-base materials (for manufacture of pulp) is done to
Haemoglobin is a/an
High temperature carbonisation of coal produces
Sea weeds are an important source of
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