Potassium is kept & transported under
Water
Liquid ammonia
Kerosene oil
Alcohol
Correct Answer :
C. Kerosene oil
Related Questions
Fermentation of molasses to produce ethyl alcohol is done at __________ °C.
20 - 30
< - 5
100 - 150
250 - 300
Pick out the wrong statement pertaining to solvent extraction of oil. Rate of extraction
Decreases with decrease of thickness of the flakes
Increases with the increasing flake size keeping the flake thickness constant
Increases considerably with the rise of temperature
Decreases as the moisture content of flakes increases
The end bleaching agent used to move last traces of colour bodies from the pulp is
Chlorine dioxide (ClO2)
MgO
SO2 gas
Mercaptans
Heating of __________ to 120°C, produces plaster of paris.
Blue vitriol
Gypsum
Calcium silicate
Calcium sulphate
Polycaprolactam is commercially known as
Nylon-6
Nylon-66
Dacron
Rayon
Which form of sulphur is the most stable at room temperature?
Plastic
Monoclinic
Rhombic
Flowers of sulphur
In the production of soda ash by Solvay process, the by-product is
CaCl2
NH4Cl
NH3
NaOH
Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine?
Na2CO3
NaHCO3
H2
None of these
Sulphuric acid saturated with SO3 is called
Concentrated H2SO4
Sulphurous acid
Oleum
None of these
The most economical pulp for the production of newsprint would be the __________ pulp.
Ground-wood
Sulphate
Sulphite
Semi-chemical
Hydrogenation of oil takes place in a/an __________ reactor.
Autothermal
Trickle bed
Plug flow
None of these
Glycerine is a by-product of the __________ industry.
Soap
Detergent
Oil hydrogenation
Paint
Molecular weight of plastics ranges from
5000 to 10000
20000 to 250000
500 to 5000
106 to 109
Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used
As a lubricant
As a rust preventive
In hard water for cleaning of cloth
As a foam depressant in distillation column
Glycerine can be obtained from
Fat
Naphthalene
Cumene
Sucrose
__________ is not a constituent of gun powder.
Carbon
Charcoal
Sulphur
Potassium nitrate
Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have
High electrical insulation properties
Sharp melting points
Low co-efficient of thermal expansion
Compressive strength much greater than their tensile strengths
Le-Blanc process is a primitive process for the manufacture of
Caustic soda
Soda ash
Bromine from sea water
Hydrochloric acid
Teflon is
Phenol formaldehyde
An inorganic polymer
Poly tetra-fluoro-ethylene (P.T.F.E.)
A monomer
Esterification reaction produces
Detergent
Vanaspati
Soap
Mercaptans
Nitrogen is an essential component of
Mineral salts
Carbohydrates
Fats
Proteins
Commercial production of calcium carbide requires limestone and __________ as raw materials.
Coke
Sand
Soda ash
Fuel oil
Finely ground calcium aluminate & silicate is a/an
Cermet
Cement
Abrasive
Explosive
Pick out the exothermic reaction out of the following:
C + H2O = CO + H2
CaC2 + H2O = Ca(OH)2 + C2H2
MgCO3 = MgO + CO2
All (A), (B) and (C)
Vegetable oils and fats basically differ in their
Density ranges
Physical state
Chemical composition
Chemical properties
In Kraft process of paper manufacture, white cooking liquor consists of caustic soda
Sodium sulphide & sodium carbonate
Sodium sulphite & sodium carbonate
Sodium sulphite & sodium sulphide
None of these
Chemical formula of BHC, which is an insecticide is
C6H6Cl6
C6Cl6
C6H5Cl
C6H4Cl2
RDX (an explosive), which is more sensitive but less toxic than TNT, is chemically
Cyclo trimethylene trinitramine
Trinitro resorcinol
Cyclo tetramethylene tetranitramine
Trinitrobenzene
Pure rectified spirit contains about __________ percent alcohol.
45
70
95
99.5
Process conditions in fermentator used for production of penicillin is
25°C, 2 atm
50°C, l0 atm
30°C, 200 mm Hg (absolute)
90°C, 45 atm