Na2CO3
NaHCO3
H2
None of these
C. H2
Neoprene
Cumene
Gelatin
Mercaptans
Making oxygen
Producing helium
Mining sulphur
Making nitrogen
Light soda ash
Dense soda ash
Sodium bicarbonate
Dehydrated soda ash
White
Black
Yellow
Blue
Ostwald's
Bosch
Solvay
Haber's
Ground-wood
Board
Tissue
Wrapping
Phenol formaldehyde
An inorganic polymer
Poly tetra-fluoro-ethylene (P.T.F.E.)
A monomer
Inhibits/destroys the growth of microorganisms
Is used as a pain reliever
Is an antimalarial
Is an anaesthetic
Nylon-6
Dacron
Polyester
PVC
Avoid mechanical weakening of fibre
Remove lignin by way of crystallisation
Increase the cellulose content
None of these
Spraying 66° Be H2SO4 counter current to the flow of the gas
Passing it through a bed of diatomaceous earth
Passing it through a bed of silica gel
None of these
Mineral oil, soap and additives
Mineral oil and metallic soap
Mineral oil and fatty oil
Fatty oil and metallic soap
Bleaching powder
Slaked lime
Alum
Copper sulphate
Hard glass which is used for making laboratory glass wares is a mixture of sodium borosilicate and aluminium borosilicate
Glass is decolorized during its manufacture by adding antimony oxide, manganese dioxide or arsenic oxide
Ordinary glass is represented chemically by Na2O . CaO . 6SiO2
Red color is imparted to glass by addition of arsenic oxide
Monosaccharide
Disaccharide
Polysaccharide
None of these
Cryolite
Chalcopyrite
Rock phosphate
None of these
Electrolysis
Electrolytic reduction
Electrolytic oxidation
None of these
Depithing
Digestion
Bleaching
None of these
Condensation product of Hexamethylene diamine and adipic acid
Thermosetting material
Condensation product of dimethyl terephthalate and ethylene glycol
None of these
Simply boiling
Adding alum
Passing it through cation & anion exchangers
All (A), (B) and (C)
50
100
200
300
Calcium chloride
Potassium sulphate
Sodium sulphate
Calcium sulphate
White
Black
Yellow
Red
Gypsum
Silicates
Sodium silicate
Carbonates
Caustic soda
Soda ash
Bromine from sea water
Hydrochloric acid
Is an exothermic reaction
Increases their melting point
Is done in presence of nickel catalyst
All (A), (B) and (C)
Acrylonitrile and butadiene
Acrylonitrile and styrene
Isobutylene and isoprene
None of these
Spalling
Refractoriness
Both (A) & (B)
Neither (A) nor (B)
As an illuminant
For metal cutting/welding
Both (A) & (B)
Neither (A) nor (B)
Chlorine
Ferric sulphate
Calcium sulphate
Activated carbon