Electromagnetic separation mainly
Gravity separation
Froth floatation
Roasting
B. Gravity separation
Detergents
Fertilisers
Aqua regia
Explosives
As an illuminant
For metal cutting/welding
Both (A) & (B)
Neither (A) nor (B)
Tetrachloroethane
Trichloroethane
Tetrachloromethane
Trichloromethane
Zinc
Lead
Boron
Selenium
About 90% of nitric acid is manufactured by Ostwald's process
It is a strong mono basic acid which reacts with almost all the metals except noble metals
Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO2)
Arc process of nitric acid manufacture is economical as compared to Ostwald's process
Fatty alcohol
Alkyl benzene sulphonate (ABS)
Fatty acids
Methylene chloride
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
Metals
Alloys
Refractories
Non-metals
80
90
98
100
N2 & H2
CO2 & H2
CO & H2
C & H2
CaCO3
MgCO3
K2CO3
Na2CO3
Oil of vitriol
Muriatic acid
Strong organic acid
Green acid
P
√P
P2
1/P
Remove double bonds
Raise its melting point
Improve its resistance to oxidation
None of these
Underground water
Rain water
Well water
Lake water
SO3 gas is sparingly soluble in water
Water forms an acid mist, which is difficult to absorb
The purity of acid is affected
Scale formation in the absorber is to be avoided
C+ ½O2 = CO
CO + 3H2 = CH4 + H2O
CaCO3 = CaO + CO2
CO + ½O2 = CO2
Kraft method of pulp manufacture can process all types of fibrous raw materials
Digestion time for bagasse is less than that for wood base materials
Both temperature and pressure in the digestor is less in case of the sulphite method as compared to that in the sulphate method
None of these
Conversion of SO2 to SO3 in Monsanto-4 pass converter is about 98%
The chemical formula of oleum is H2S2O7, which is formed by saturating sulphuric acid with sulphur trioxide
Vitriol oil is nothing but technical sulphuric acid
Decomposition of sulphuric acid on heating does not start before its boiling
Nitro-glycerine
Trinitrotoluene (TNT)
Cellulose nitrate
All (A), (B), and (C)
Triglyceride
Fatty acids
Fatty alcohol
Mono esters
Drilling of petroleum wells and pickling of steel sheets
Manufacture of cationic detergent
Treatment of spent fuel of nuclear reactor
None of these
NaOH
H2SO4
Hydrazine
Alum solution
Film forming materials
Plasticisers
Diluents
Solvents
Washing soda
Soda ash
Plaster of Paris
Calcite
Decoloration
Hydrogenation
Oxidation
Purification
Colour
Turbidity
Bacteria
All (A), (B) and (C)
Catalytic cracking
Catalytic dehydrogenation
Pyrolysis
Hydrocracking
45
70
95
99.5
Preferred over contact process for producing 98 to 100% H2SO4 and various oleums
Non-catalytic and operates only on pyrites
A batch process for directly producing high strength (98 to 100%) H2SO4
None of these