Yeast is used in the manufacture of
Penicillin
Antibiotics
Wine
Pasteurised milk
Correct Answer :
C. Wine
Related Questions
Carboxymethyl cellulose (CMC) is added in detergents to
Prevent redeposition of soil on cleaned surface
Act as optical brightening agent
Inhibit corrosion in washing machines made of aluminium
None of these
Extraction of __________ employs an electrolytic process.
Aluminium
Silver
Copper
All (A), (B) and (C)
Vegetable oils and fats basically differ in their
Density ranges
Physical state
Chemical composition
Chemical properties
Chemical name of soda ash is
Sodium bicarbonate
Sodium thiosulphate
Potassium carbonate
None of these
Polycaprolactam is commercially known as
Nylon-6
Nylon-66
Dacron
Rayon
Styrene is produced from ethyl benzene by the process of
Dehydrogenation
Oxidation
Alkylation
Dehydration
The end bleaching agent used to move last traces of colour bodies from the pulp is
Chlorine dioxide (ClO2)
MgO
SO2 gas
Mercaptans
Nitric acid is not used in the manufacture of
Detergents
Fertilisers
Aqua regia
Explosives
The catalyst used in shift converter is
Nickel
Vanadium
Silica gel
Alumina
Nylon-6 as compared to Nylon-66 is having higher
Hardness
Abrasion/resistance
Melting point
None of these
Which of the following is not a product of coal tar distillation?
Anthracene
Creosote oil
Carbolic oil
None of these
Sucrose is a disaccharide consisting of
Glucose and glucose
Glucose and fructose
Glucose and galactose
Fructose and galactose
Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on
Slaked lime
Soda lime
Calcium perchlorate
None of these
Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo?
Depithing
Digestion
Bleaching
None of these
Pick out the wrong statement.
Strongly caking coal should not be used in the Lurgi gasifier
Acetylene gas cannot be used for illumination purpose
Water gas is called blue gas because of the color of the flame, when it is burnt
Gaseous fuels require less percentage of excess air for combustion as compared to liquid fuels
Enamels
Give good glossy finish
Are same as varnish
Are prepared from non-drying oil
Do not contain pigment
Pasteurisation of milk means
Removal of fatty and albuminous substance from it
Killing of organisms present in it by heating it at controlled temperature without changing its natural characteristics
Inhibiting the growth of micro-organisms without killing them
None of these
Sugar content in sugarcane on cane basis is about __________ percent by weight.
1 to 5
5 to 10
15 to 20
20 to 30
Which of the following is an ore of iron?
Galena
Chalcopyrite
Hematite
Bauxite
Which of the following is not an antibiotic?
Penicillin
Streptomycin
Tetracycline
Quinine
Deacon's method is used for the manufacture of
Glauber's salt
Common salt
Chlorine
Graphite electrode
Pick out the wrong statement.
Cold rubber (SBR) is superior as compared to hot rubber (SBR)
Polymerisation temperature can modify the properties of SBR
Production of cold SBR employs lower pressure as compared to that of hot SBR
None of these
Phthalic anhydride is used
In making PVC
As plasticisers
In insecticides manufacture
For making nylon-6
Graphite is a/an
Electrical insulator
Allotrope of carbon
Moderator used in nuclear reactor
Both (B) and (C)
Comparing sulphate process with sulphite process, we find that __________ in the later.
Both temperature & pressure in the former is less than that
Both temperature & pressure in the former is more than that
Temperature is more in the former whereas pressure is more
Pressure is more in the former whereas temperature is less
Synthetic glycerine is produced from
Toluene
Phenol
Propylene
Naphthalene
Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C.
25
60-70
150-200
250-300
Heating of __________ to 120°C, produces plaster of paris.
Blue vitriol
Gypsum
Calcium silicate
Calcium sulphate
Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively
V2O5 & Cr2O3.
Oxides of nitrogen & Cr2O3
V2O5 on a porous carrier & oxides of nitrogen
Oxides of nitrogen & V2O5 on a porous carrier
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