Main use of hydrazine is
As a rocket fuel
In water treatment
As a disinfectant
As fire retardant
Correct Answer :
A. As a rocket fuel
Related Questions
Raw materials for 'Solvay Process' for manufacture of the soda ash are
Salt, limestone and coke or gas
Ammonia, salt and limestone
Ammonia limestone and coke
None of these
The only commercial Fischer-Tropsch plant for producing liquid hydrocarbon fuel from coal is located at
SASOL (in South Africa)
Redcar (U.K.)
Los Angeles (U.S.A.)
Trombay (India)
Nylon-6 is manufactured from
Caprolactam
Hexamethylene diamine and adipic acid
Hexamethylene diamine and Maleic anhydride
Hexamethylene diamine and Sebacic acid
A bio-catalyst produced by living cells which acts independent of the cell is called a/an
Substrate
Enzyme
Nutrient
None of these
Silicone is a/an
Thermoplastic
Inorganic polymer
Monomer
None of these
Frasch process is for
Making oxygen
Producing helium
Mining sulphur
Making nitrogen
Sucrose is a disaccharide consisting of
Glucose and glucose
Glucose and fructose
Glucose and galactose
Fructose and galactose
Alum [Al2(SO4)3] is used as a coagulant in water treatment to remove
Colour
Turbidity
Bacteria
All (A), (B) and (C)
DDT should not be allowed to come in contact with iron (during its manufacture) to
Avoid its decomposition
Prevent sulphonation of the monochlorobenzene by the acid catalyst
Achieve non-hygroscopic property
None of these
Styrene-butadiene-rubber (SBR) as compared to natural rubber has
Poorer tensile strength
Poorer resistance to oxidation
Greater amount of heat build-up under heavy loading
All (A), (B) and (C)
Graphite is a/an
Electrical insulator
Allotrope of carbon
Moderator used in nuclear reactor
Both (B) and (C)
Zeolite used in water softening process (cation exchange) is regenerated by washing with
Brine
Chloramines
Sodium bisulphite
Liquid chlorines
Which of the following fuel gases contains maximum amount of carbon monoxide?
Coke oven gas
Water gas
Blast furnace gas
L.D. converter gas
Commercially ethylene is produced from naphtha by
Catalytic cracking
Catalytic dehydrogenation
Pyrolysis
Hydrocracking
Chalcopyrite is the main ore of
Copper
Lead
Tin
Iron
Inversion of sucrose produces
Fructose
Glucose
Both (A) & (B)
Neither (A) nor (B)
CaCl(OCl) is the chemical formula of
Hypo
Bleaching powder
Plaster of Paris
Aqua regia
Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process?
NH3
NaCl
CaO
Coke
Starting material for the production of styrene butadiene rubber (SBR) is
Ethyl alcohol
Ethylene
Both (A) & (B)
Neither (A) nor (B)
Hydrogenation of oil takes place in a/an __________ reactor.
Autothermal
Trickle bed
Plug flow
None of these
Which is the main reducing agent during production of iron from iron ore in a blast furnace?
C
CO
CO2
H2
Pig iron is produced by blast furnaces in India using mostly the iron ore named
Hematite
Magnetite
Siderite
Chalcopyrite
Which oil is preferred for paint manufacture?
Drying oil
Non-drying oil
Semi-drying oil
Saturated oil
Reverse osmosis is normally used for the
Separation of isotopes of uranium from gaseous uranium hexafluoride
Separation of helium from natural gas
Desalination of brackish water to produce potable (drinking) water
Purification of oxygen
Which of the following is not a raw material used for the manufacture of ordinary glass?
Iron oxide
Soda ash
Limestone
Silica
Which of the following is a detergent?
Benzene hexachloride
Alkyl benzene sulphonate
Polytetrafluoroethylene
Cellulose nitrate
Which of the following is an endothermic reaction?
Absorption of SO3 in 98% H2SO4
C + H2O = CO + H2
Thermal dissociation of iron pyrites
Both (B) and (C)
Chemical name of 'alum' is
Barium sulphate
Aluminium sulphate
Aluminium chloride
Calcium sulphate
The major constituent of black liquor generated during paper manufacture is sodium
Sulphate
Carbonate
Hydroxide
Bi-carbonate
__________ is produced using Polycondensation reaction.
Polythene
Phenol formaldehyde
Poly vinyl chloride
None of these