Carbon tetrachloride (CCl4) is the starting raw material for the manufacture of
Trichloroethylene
Perchloroethylene
Parathion
Methanol
Correct Answer :
B. Perchloroethylene
Related Questions
Hard water
Does not affect the lather formation by soap
Is not unfit for drinking purpose
Pollutes the water stream
All (A), (B) and (C)
Varnish does not contain
Thinner
Pigment
Both (A) & (B)
Neither (A) nor (B)
Acetone is produced by catalytic dehydrogenation of
Phenol
Naphthalene
Isopropanol
Ethyl benzene
Which of the following is not an insecticide?
Hydrocyanic acid
Nicotine
Sodium fluoride
Hexane
Deacon's method is used for the manufacture of
Glauber's salt
Common salt
Chlorine
Graphite electrode
Which of the following is the main constituent of the mother liquor produced in salt industry?
Quick lime
Glauber's salt
Salt petre
Bromine
Pick out the wrong statement.
Pasteurisation of milk involves moderate heating followed by cooling
Bakeries and breweries make use of yeasts
Enzyme is a complex nitrogenous compound
Oils and fats are alkaloids
The major constituent of black liquor generated during paper manufacture is sodium
Sulphate
Carbonate
Hydroxide
Bi-carbonate
Penicillin is made employing __________ fermentation process.
Continuous
Aerobic batch
Anaerobic batch
None of these
Roasting of metallurgical ores is done mainly to
Dehydrate it
Sinter the ore
Remove CO2 & H2O
Remove arsenic & sulphur
Enzymes are
Proteins with high molecular weight (around 10,000)
Derived from living organisms
Catalyst for temperature sensitive reactions
All (A), (B) and (C)
Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.
SO3
Cl2
NH3
SO2
Titanium dioxide is a/an __________ colour pigment.
White
Black
Yellow
Blue
Catalytic oxidation of naphthalene produces
Styrene
Phenol
Phthalic anhydride
None of these
Pick out the wrong statement.
Azoic dyes are mostly applied on cotton fabrics
Basic dyes (e.g. amino derivatives) are applied mostly to paper
Mordant dyes are applied mainly to wools
None of these
Synthetic glycerine is produced from
Toluene
Phenol
Propylene
Naphthalene
__________ Nature of hypo (sodium thiosulphate) makes it useful in photography.
Oxidising
Reducing
Complex forming
Photochemical
Starting material for the production of styrene butadiene rubber (SBR) is
Ethyl alcohol
Ethylene
Both (A) & (B)
Neither (A) nor (B)
The function of gypsum addition during cement making is to
Increase the density of cement
Decrease the cement setting rate
Both (A) and (B)
Neither (A) nor (B)
Blue colour is imparted to glass by the addition of
FeSO4
PbO
CaO
NaOH
Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials.
Adsorbs
Oxidises
Reduces
Converts
Builders are added in soap to act as
Cleaning power booster
Anti-redeposition agent
Corrosion inhibitor
Fabric brightener
Which of the following processes is absent in glass manufacturing process?
Sintering
Annealing
Shaping or forming
Melting
In the manufacture of viscose rayon, the raw material used industrially is
Eucalyptus wood
Bamboo
Bagasse
Fine teak wood
Penicillin is separated from fermented broth by
Extraction with amyl or butyl acetate
Ternary Azeotropic distillation
Evaporator in calandria
Extractive distillation
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)
Grignard reagent is chemically known as
Ethyl magnesium chloride
Methyl magnesium chloride
Dichlorophenol
Monochloroacetic acid
CO & H2 are the constituents of
Producer gas
Water gas
Coke oven gas
All (A), (B) and (C)
Bleaching of paper pulp is done with
Activated clay
Bromine
Chlorine or chlorine dioxide
Magnesium sulphite
Flux addition during smelting of ore is done to
Remove impurities/gangue
Enhance rate of reaction
Accelerate reduction of ore
Separate slag from metal