Chemical Process In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed : Furnace → evaporator → absorber Converter → furnace → absorber Furnace → converter → absorber Furnace → converter → evaporator Furnace → evaporator → absorber Converter → furnace → absorber Furnace → converter → absorber Furnace → converter → evaporator ANSWER DOWNLOAD EXAMIANS APP
Chemical Process RDX (an explosive), which is more sensitive but less toxic than TNT, is chemically Cyclo trimethylene trinitramine Cyclo tetramethylene tetranitramine Trinitro resorcinol Trinitro benzene Cyclo trimethylene trinitramine Cyclo tetramethylene tetranitramine Trinitro resorcinol Trinitro benzene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is 0.34 0.94 1.4 0.14 0.34 0.94 1.4 0.14 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Lime and soda ash are added to water to remove Undersirable taste and odour Bicarbonates & sulphates of calcium and magnesium Bacteria Its corrosiveness Undersirable taste and odour Bicarbonates & sulphates of calcium and magnesium Bacteria Its corrosiveness ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C. 90-100 15-30 250-300 90-100 15-30 250-300 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phenol formaldehyde Employs condensation polymerisation Is an abrasive material Employs addition polymerisation Is a monomer Employs condensation polymerisation Is an abrasive material Employs addition polymerisation Is a monomer ANSWER DOWNLOAD EXAMIANS APP
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