Pick out the wrong statement pertaining to the soap manufacture.
Transparent soaps are made by cold process
Organic pigments are used as colouring materials in the soap manufacture
Both laundry as well as toilet soaps are manufactured by hot process
Colourless rosin is used in the manufacture of laundry soaps
Correct Answer :
A. Transparent soaps are made by cold process
Related Questions
Widely used method for the conditioning of boiler feed water is the
Cold lime process
Coagulation
Hot-lime soda process
Sequestration
Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the __________ process.
Mechanical
Sulphate/Kraft
Sulphite
Neutral sulphite semi-chemical
Alcohol percentage in molasses may be around
10
40
70
85
Which of the following is not a food additive?
Citric acid
Invertage
Benzoyl peroxide
Ammonium chloride
Hydrazine is largely used
As a starting material for 'hypo'
In photographic industry
As rocket fuel
In printing industry
Pick out the wrong statement.
Dry process is used for the manufacture of cement, when the raw material is blast furnace slag
Portland cement is made employing wet process
Gypsum is added to Portland cement to lengthen its setting time
None of these
Extraction of __________ employs an electrolytic process.
Aluminium
Silver
Copper
All (A), (B) and (C)
Glycerine is a by-product of the __________ industry.
Soap
Detergent
Oil hydrogenation
Paint
Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of
Calcium sulphate
Sodium chloride
Sodium sulphate
Magnesium chloride
Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent.
10
50
80
95
Transparent soaps (e.g. Pears) are
Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and finally washed with methylated spirit to achieve transparency
Metallic soaps with frothing agent and free Stearic acid to achieve transparency
Metallic soaps with frothing agent from which glycerine has not been recovered
None of these
A 'unit process' is exemplified by the
Distillation
Hydrogenation of oils
Absorption
Humidification
Commercial production of soda ash by Solvay process requires limestone, __________ as raw materials.
Coke and sand
Brine and coal
Coke and caustic soda
None of these
__________ is a thermosetting plastic.
Polyvinyl chloride
Polythene
Bakelite
Teflon
Massecuite is a terminology used in the __________ industry.
Paint
Oil hydrogenation
Soap
Sugar
Chloramines are used in water treatment for
Disinfection and control of taste & odour
Corrosion control
Removing turbidity
Control of bacteria
Molasses is the starting material for the production of
Alcohol
Essential oil
Fatty acids
Massecuite
Lindane is
Not a fumigant
BHC (Benzene Hexachloride) containing 99% γ-isomer
A by-product of BHC manufacture
Both (B) and (C)
Which of the following is a disaccharide?
Sucrose
Glucose
Starch
Maltose
Nicotine is
A volatile alkaloid
Obtained by treating by-products of the tobacco processing industry
Both (A) and (B)
Neither (A) nor (B)
Baking soda is chemically represented by
Na2CO3
NaHCO3
Na2CO3.H2O
Na2CO3.10H2O
In industrial nomenclature, alcohol means
Butyl alcohol
Propyl alcohol
Ethanol
Methyl alcohol
A good quality coal should have
Low fusion point of ash
High ash content
High sulphur content
None of these
Pick out the wrong statement.
DDT is manufactured by the condensation of chlorobenzene with chloral at 30°C in presence of oleum, which is a highly exothermic reaction
Chloral is obtained by the chlorination of ethyl alcohol
Insecticides acting on the insects through the respiratory system are called fumigants
Benzene hexachloride is not a contact insecticide
Concentration of hydrogen peroxide is done by
Crystallisation
Vacuum crystallisation
Atmospheric distillation
Dehydration
The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by
Electrolysis
Electrolytic reduction
Electrolytic oxidation
None of these
Isopropyl benzene produced by alkylation of benzene with propylene is known as
Neoprene
Cumene
Gelatin
Mercaptans
Washing soda is chemically represented by
Na2CO3
Na2CO3.H2O
Na2CO3.10H2O
NaHCO3
Percentage of alcohol in beer may be around __________ percent.
2-8
18-23
27-32
1-4
Sea water contains about __________ ppm of bromine.
5
70
500
1700