Process Industries (Set 1) Flashcards
A survey of different chemical process industries, focusing on raw materials, processes, and products.
Oxidation of SO2to SO3is favoured by
low temperature and high pressure.
Gun powder, which is an explosive comprises of charcoal, sulphur and
salt petre
Starting raw material for the manufacture of alum is
bauxite
Salt cake is chemically represented by
Na2SO4
Which of the following sugars is the sweetest?
Fructose
Paper pulp produced by kraft/sulphate process is
strong fibrous
Claude process of gas liquefaction employs
adiabatic expansion against a piston or in a turbine.
The main use of HCl is in the
drilling of petroleum wells and pickling of steel sheets.
The gasification reaction represented by, C + H2O = CO + H2, is a/an ____ reaction.
endothermic
Viscose rayon is chemically
regenerated cellulose acetate
All enzymes are made of
proteins
The combustion reaction, C + O2= CO2, is
exothermic
Styrene is produced from ethyl benzene by the process of
dehydrogenation
Gelatine which is a nitrogenous organic protein is obtained by the hydrolysis of
callagen
The chamber process is
none of these.
Sucrose content in the raw juice extracted from sugar cane is about ____ percent.
15 - 20
Fusel oil is a/an
mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses).
Styrene-butadiene-rubber (SBR) as compared to natural rubber has
all (a), (b) and (c).
Co-efficient of thermal expansion of glass is decreased by the addition of ____ during its manufacture.
ZnO
The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is
oleum
Haemoglobin is a/an
protein
Epoxy resin
is a good adhesive.
Concentration of NaOH solution produced by mercury electrolytic cell is about ____ percent.
50
Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda?
Pollution of water stream by mercury.