Hydrochloric acid is also known as
Oil of vitriol
Muriatic acid
Strong organic acid
Green acid
Correct Answer :
B. Muriatic acid
Related Questions
Which of the following impurities in feed water for high pressure boiler is the most detrimental?
Silica
Dissolved oxygen
Suspended salt
Dissolved salt
Zeolite is a/an
Naturally occuring clay which is capable of exchanging cations
Abrasive material
Catalyst used in shift conversion
None of these
Chrome tanning and vegetable tanning are done for
Light & heavy leather respectively
Heavy & light leather respectively
Both light & heavy leather
Neither light nor heavy leather
Percentage of glycerine present in the spent lye obtained during soap manufacture is about
0.5
5
20
35
Pick out the wrong statement.
Fibrillation of fibre during paper manufacture is done to develop the strength in paper
Alkali consumption in digestion/cooking of bamboo is measured in terms of permanganate number
Bagasse fibre contains both lignin & cellulose
Presence of sodium sulphate in pulp makes the pulp bleachability poor
Raw materials used for producing __________ cement does not contain iron oxide.
Waterproof
Slag
White
Pozzolan
Linde process of gas liquefaction employs
Exchange of heat with colder stream
Adiabatic expansion through a throttle valve (Joule-Thomson expansion)
Adiabatic expansion against a piston or in a turbine
Merely compressing the gas beyond its critical pressure
Sulphuric acid saturated with SO3 is called
Concentrated H2SO4
Sulphurous acid
Oleum
None of these
CO & H2 are the constituents of
Producer gas
Water gas
Coke oven gas
All (A), (B) and (C)
Esterification reaction produces
Detergent
Vanaspati
Soap
Mercaptans
Pick out the wrong statement.
Chamber process of sulphuric acid manufacture produces pure acid of concentration < 80%
Contact process of sulphuric acid manufacture produces pure acid of concentration ≥ 98%
75% oleum can be produced by distillation of 20% oleum
Contact process of sulphuric acid manufacture uses nickel as the catalyst
BHC (Benzene hexachloride) is made by the chlorination of benzene
Which is an addition reaction
Which is a substitution reaction
In absolute dark
In presence of sunlight
Vegetable oils and fats basically differ in their
Density ranges
Physical state
Chemical composition
Chemical properties
Solvent used for extraction of oil is
Hexane
Methyl ethyl ketone
Furfural
None of these
Hydrocyanic acid (HCN) is used as an insecticide for
Controlling timber degradation by ants
Controlling poultry lice
Potato beetle
Citrus fruits
Pick out the wrong statement.
Eosin requirement in tallow soap is about 40-50% which fastens the lather formation, softens the hard soaps and increases its cleansing action
Soap powder is prepared by mixing soap with hydrated sodium carbonate
Detergents differ from soaps in their action in hard water
Tarnish inhibitor (e.g., Benzotriazole) is added in soap to facilitate the removal of stains due to tea, blood etc
Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale.
Nickel
Vanadium
Alumina
Iron
Ethanol amine is produced using ammonia and
Ethyl benzene
Ethylene oxide
Ethanol
Ethane
Ethyl alcohol cannot be produced
From waste sulphite substrate of paper mills
By Esterification and hydrolysis of ethylene
From molasses
None of these
Bromine content in sea water may be around __________ ppm.
70
640
1875
2500
In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst
Gives higher conversion efficiency
Has a longer life and is not poisoned by arsenic
Handles lower SO2 content gas (7 -10% SO2), thus increasing the capital cost of the plant
All (A), (B) and (C)
Dacron is a
Condensation product of Hexamethylene diamine and adipic acid
Thermosetting material
Condensation product of dimethyl terephthalate and ethylene glycol
None of these
Coagulant is used __________ filtration.
Before
After
During
To avoid
Sucrose is a disaccharide consisting of
Glucose and glucose
Glucose and fructose
Glucose and galactose
Fructose and galactose
Oxidation of SO2 to SO3 is favoured by
Low temperature and low pressure
Low temperature and high pressure
High temperature and low pressure
High temperature and high pressure
Styrene (a monomer for the production of polystyrene) is commercially produced by
Catalytic dehydrogenation of ethyl benzene
Dehydration of ethyl alcohol followed by hydrogenation
Reacting ethylene oxide with acetaldehyde
Fermentation of starch
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)
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)
Which is the most suitable dye for synthetic fibres?
Acid dye
Azoic dye
Pigment dye
Mordant dye
Which of the following is the second major component of cement?
Al2O3
CaO
SiO2
Fe2O3