Increasing the surface tension
Decreasing wettability
Supplying hydrophilic group
None of these
D. None of these
CO and H2
N2 and H2
H2, CH4 and CO
CO2 and H2
As an illuminant
For metal cutting/welding
Both (A) & (B)
Neither (A) nor (B)
Electromagnetic separation mainly
Gravity separation
Froth floatation
Roasting
20% oleum
65% oleum
78% H2SO4
98% H2SO4
Produces high density polyethylene
Produces low density polyethylene
Uses no catalyst
Employs very high pressure
Moving
Fixed
Fluidised
Entrained
(i) platinum (ii) sulphur
(i) palladium (ii) oxygen
(i) nickel (ii) sulphur
(i) nickel (ii) oxygen
Poorer tensile strength
Poorer resistance to oxidation
Greater amount of heat build-up under heavy loading
All (A), (B) and (C)
Ni
Cr
V2O5
Al2O3
Bromine
Magnesium compounds
Potassium compounds
Sodium sulphate
Mineral salts
Carbohydrates
Fats
Proteins
Simply boiling
Adding alum
Passing it through cation & anion exchangers
All (A), (B) and (C)
Copper sulphate
Ferrous sulphate
Copper nitrate
Aluminium sulphate
Sand
Bauxite
Quicklime
Calcite
Sodium sulphide & sodium carbonate
Sodium sulphite & sodium carbonate
Sodium sulphite & sodium sulphide
None of these
Cellulose acetate
Regenerated cellulose
Cellulose nitrate
Cellulose acetate butyrate
15-30
90-100
250-300
< 0
Metals
Alloys
Refractories
Non-metals
Which is an addition reaction
Which is a substitution reaction
In absolute dark
In presence of sunlight
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
Dehydrogenation
Oxidation
Alkylation
Dehydration
CaO, SiO2, Al2O3
MgO, SiO2, K2O
Al2O3, MgO, Fe2O3
CaO, MgO, K2O
Propyl alcohol
Acetone
Trichloroethylene
Formaldehyde
Alumina
Silica
20% oleum
Aluminium chloride
Nylon-6
Paper
Antibiotics
Sugar
Sulphur
Charcoal
Potassium nitrate
All (A), (B), & (C)
Conversion of SO2 to SO3
NH3 synthesis reaction
Both (A) and (B)
Neither (A) nor (B)
Gypsum
Feldspar
Galena
Bauxite
C
CO
CO2
H2
Solar evaporation
Vacuum evaporation
Freeze drying
Electrolysis