Cause cholesterol build up and blood clotting
Are prone to rancid oxidation
Always contain some amount of nickel (as their complete removal is very difficult)
Have affinity to retain harmful sulphur compounds
A. Cause cholesterol build up and blood clotting
Resistance to the action of organic solvent
Tackiness
Maximum service temperature
Tensile strength
Accelerate the oxidation of oil
Prevent gelling of the paint
Suspend pigments & dissolve film forming materials
Form a protective film
Hard water contains sulphate
They form insoluble calcium soaps which precipitate
They attract back the removed dirt
None of these
Helps in grease separation
Increases the biological oxygen demand (BOD)
Causes bulking of activated sludge
Aids in flocculation
Corrosion
Sequestration
Scale formation
None of these
Sodium sulphite and sodium bisulphite
Magnesium sulphite and free SO2 in acid medium
Magnesium sulphate and magnesium bicarbonate
None of these
Adsorbs
Oxidises
Reduces
Converts
Making oxygen
Producing helium
Mining sulphur
Making nitrogen
Boiling
Adding Ca(OH)2
Boiling it with Na2CO3
None of these
Hematite
Magnetite
Siderite
Chalcopyrite
Does not affect the lather formation by soap
Is not unfit for drinking purpose
Pollutes the water stream
All (A), (B) and (C)
Soft potassium soaps (potassium salt of fatty acid) with free Stearic acid to give lather a lasting property
Metallic soaps compounded with frothing agents
High free alkali soaps having excess of cane sugar and alcohol
None of these
Styrene
Phenol
Benzene
Tri-nitro-toluene
Cement
Glass
Potteries
Caustic soda
Hydrochloric acid
H2SO4 by Chamber process
Calcium carbide
Corundum
Perspex
Nylon-66
Polystyrene
Bakelite
Mineral salts
Carbohydrates
Fats
Proteins
Impart resistance to penetration by liquids
Increase its thickness
Increase its flexibility & opacity
Increase its brightness
Catalytic hydrogenation of carbon monoxide produces methyl alcohol
In nylon-6, the number 6 represents the total number of carbon atoms in the ring
Raw materials for DDT manufacture are benzene and chlorine
Ethanolamines are produced by using ammonia and ethylene oxide as raw material
Coking coals cannot be used
Low carbon conversion efficiency is achieved
Entrainment of solids is higher
Large quantity of coal can be processed
Fatty acid
Fatty alcohols
Tallow
Detergents
5
70
500
1700
Polythene
Phenol formaldehyde
Poly vinyl chloride
None of these
(NH4)2SO4
NH4Cl
(NH4)2 NO3
Liquid NH3
Glycerine
Salt petre
Nitro glycerine
Dynamite
Acrylonitrile and butadiene
Acrylonitrile and styrene
Isobutylene and isoprene
None of these
Bacterial growth
Taste and odour
Turbidity
None of these
DDT
BHC
Parathion
None of these
Can use low grade brine
Has less corrosion problems
Involves higher investment in NH3 recovery units than that for crystallisation units for NH4Cl
Both (B) and (C)
Less susceptible to chemical attack by molten fluxes and gases etc
Very strong
Having very high thermal conductivity
None of these