Chemical Process Which of the following is not a raw material used for the manufacture of ordinary glass? Iron oxide Silica Limestone Soda ash Iron oxide Silica Limestone Soda ash ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Manufacture of phthalic anhydride uses __________ as a catalyst. Cr Ni Al₂O₃ V₂O₅ Cr Ni Al₂O₃ V₂O₅ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as None of these Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced) It decomposes on further increasing the temperature It is very corrosive at elevated temperature None of these Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced) It decomposes on further increasing the temperature It is very corrosive at elevated temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Liquefaction of gases can not be done by Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Exchange of heat with colder stream Merely compressing it beyond critical pressure Adiabatic expansion against a piston or in a turbine Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Exchange of heat with colder stream Merely compressing it beyond critical pressure Adiabatic expansion against a piston or in a turbine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process RDX (an explosive), which is more sensitive but less toxic than TNT, is chemically Trinitro benzene Cyclo trimethylene trinitramine Trinitro resorcinol Cyclo tetramethylene tetranitramine Trinitro benzene Cyclo trimethylene trinitramine Trinitro resorcinol Cyclo tetramethylene tetranitramine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Flux addition during smelting of ore is done to Separate slag from metal Accelerate reduction of ore Enhance rate of reaction Remove impurities/gangue Separate slag from metal Accelerate reduction of ore Enhance rate of reaction Remove impurities/gangue ANSWER DOWNLOAD EXAMIANS APP
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