Which of the following is the main constituent of the mother liquor produced in salt industry?
Quick lime
Glauber's salt
Salt petre
Bromine
Correct Answer :
D. Bromine
Related Questions
A good quality coal should have
Low fusion point of ash
High ash content
High sulphur content
None of these
All enzymes are made of
Fats
Carbohydrates
Proteins
Amino acids
Which of the following is the second major component of cement?
Al2O3
CaO
SiO2
Fe2O3
Drinking (potable) water treatment does not involve
Coagulation
Sedimentation
Softening
Disinfection
Fourdrinier machine is used in the manufacture of
Sugar
Paper
Alcohol from molasses
Phenol formaldehyde
Phthalic anhydride is made by the
Oxidation of naphthalene
Oxidation of benzene
Dehydrogenation of ethyl benzene
None of these
The temperature in the calcium carbide furnace is __________ °C.
200-300
700-850
2000-2200
4000-4500
Which of the following is a detergent?
Benzene hexachloride
Alkyl benzene sulphonate
Polytetrafluoroethylene
Cellulose nitrate
__________ glass is used for the manufacture of optical glass.
Pyrex
Soda
Flint
Crooke's
Styrene is produced from ethyl benzene by the process of
Dehydrogenation
Oxidation
Alkylation
Dehydration
Teflon is
Phenol formaldehyde
An inorganic polymer
Poly tetra-fluoro-ethylene (P.T.F.E.)
A monomer
Sulphuric acid completely saturated with sulphur trioxide is called
Concentrated sulphuric acid
Oleum
Sulphurous acid
Dilute sulphuric acid
__________ is a thermosetting plastic.
Polyvinyl chloride
Polythene
Bakelite
Teflon
Which of the following is an yellow pigment?
Titanium dioxide
Ferrous sulphate
Lead chromates
Zinc sulphides
Fourdrinier machine is used in the manufacture of
Nylon-6
Paper
Antibiotics
Sugar
At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the concentration of reactants.
Independent of
Directly proportional to
Inversely proportional to
Proportional to the square of
Main constituents of natural rubber is
Polystyrene
Polyisoprene
Polybutadiene
Polychlorophrene
Naphthols are derivates of
Methyl amine
Naphthalene
Phenol
Xylene
Magnesium and calcium __________ cause temporary hardness of water.
Carbonates
Bicarbonates
Phosphates
Sulphates
Phosphoric acid is prepared from
Cryolite
Chalcopyrite
Rock phosphate
None of these
Glycerine is not used in the
Manufacture of explosive
Conditioning and humidification of tobacco
Manufacture of pharmaceuticals
None of these
Flash point of most vegetable oils is about __________ °C.
50
100
200
300
Reaction of calcium carbide with water produces a gas, which is used
As an illuminant
For metal cutting/welding
Both (A) & (B)
Neither (A) nor (B)
Fusel oil is a/an
Essential oil
Extract from medicinal herbs
Mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses).
None of these
Catalyst used during the manufacture of 'Vanaspati Ghee' is
Zinc
Nickel
Platinum
Copper
How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln?
500°C
750°C
1000°C
1500°C
__________ of rubber decreases after its vulcanisation.
Resistance to the action of organic solvent
Tackiness
Maximum service temperature
Tensile strength
Electric bulbs are made of __________ glass.
Jena
Flint
Crookes
Pyrex
Which is the most efficient absorbent for SO3 out of the following?
20% oleum
65% oleum
78% H2SO4
98% H2SO4
Liquefaction of gases cannot be done by
Exchange of heat with colder stream
Adiabatic expansion through a throttle valve (Joule-Thomson expansion)
Merely compressing it beyond critical pressure
Adiabatic expansion against a piston or in a turbine