Starting material for the production of styrene butadiene rubber (SBR) is
Ethyl alcohol
Ethylene
Both (A) & (B)
Neither (A) nor (B)
Correct Answer :
C. Both (A) & (B)
Related Questions
Raw material used in alcohol distilleries in India is
Molasses
Benzol
Methylated spirit
None of these
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
Chemical formula of 'salt cake' is
Na2SO4
CaSO4
MgSO4
BaSO4
Deacon's method is used for the manufacture of
Glauber's salt
Common salt
Chlorine
Graphite electrode
Fermentation is adversely affected by the
Presence of air
Absence of air
High concentration
Presence of ammonium salts
Neoprene is a
Monomer
Synthetic rubber
Polyester
None of these
Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.
Cutting
Fibrillation
Hydration
Strengthening
The manufacture of Kraft pulp is done by a/an __________ process.
Alkaline
Acidic
Neutral
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
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
Triple superphosphate is manufactured by reacting
Phosphate rock with phosphoric acid
Phosphate rock with sulphuric acid
Phosphate rock with nitric acid
Ammonium phosphate with phosphoric acid
Chemical name of Grignard reagent is
Sodium thiosulphate
Ethyl magnesium chloride
Sodium sulphite
Sodium bicarbonate
L.D. converter is used in the production of
Pig iron
Steel
Copper
Zinc
Which of the following is not an abrasive material?
Bakelite
Pumice
Corundum
Carborundum
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)
Nylon-66 is so named because the
Average degree of polymerisation of the polymer is 1966
Number of carbon atoms between two nitrogen atoms are 6
Number of nitrogen atoms between two carbon atoms are 6
Polymer was first synthesised in 1966
The gasification reaction represented by, C + H2O = CO + H2, is a/an __________ reaction.
Exothermic
Endothermic
Catalytic
Autocatalytic
Vinyl chloride (CH2 = CH.Cl) is produced by the thermal pyrolysis of ethylene dichloride at a pressure & temperature of
4 kgf/cm2 & 500°C
10 kgf/cm2 & 1000°C
40 kg/cm2 & 200°C
100 kgf/cm2 & 500°C
Heating of __________ to 120°C, produces plaster of paris.
Blue vitriol
Gypsum
Calcium silicate
Calcium sulphate
Titanium dioxide is a/an __________ colour pigment.
White
Black
Yellow
Blue
Liquor poisoning generally occurs due to the presence of __________ in it.
Ethyl alcohol
Impurities
Methyl alcohol
Carbonic acid
Which of the following is an ore of iron?
Galena
Chalcopyrite
Hematite
Bauxite
Which of the following is a constituent of vinegar?
Around 10% alcohol
Around 1% acetic acid
Both (A) and (B)
Neither (A) nor (B)
Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent.
10
50
80
95
Hydrazine is used in water treatment for the removal of
Colloidal impurities
Dissolved oxygen
Turbidity
Chlorinous taste
Phenol formaldehyde is produced by condensation polymerisation. It is also known as
Teflon
Bakelite
Polyester
Nylon-66
__________ glass is used for the manufacture of optical glass.
Pyrex
Soda
Flint
Crooke's
Esterification reaction
Produces soap
Is reversible
Is a reaction between an alcohol and an organic acid
All (A), (B) and (C)
All enzymes are made of
Fats
Carbohydrates
Proteins
Amino acids
Alum [Al2(SO4)3] is used as a coagulant in water treatment to remove
Colour
Turbidity
Bacteria
All (A), (B) and (C)