Chemical Process During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to Increase the rate of absorption None of these Reduce the cooling water circulation rate Avoid corrosion Increase the rate of absorption None of these Reduce the cooling water circulation rate Avoid corrosion ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is a detergent? Cellulose nitrate Polytetraflouroethylene Benzene hexachloride Alkyl benzene sulphonate Cellulose nitrate Polytetraflouroethylene Benzene hexachloride Alkyl benzene sulphonate 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 Liquefaction of gases can not be done by Exchange of heat with colder stream Merely compressing it beyond critical pressure Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Adiabatic expansion against a piston or in a turbine Exchange of heat with colder stream Merely compressing it beyond critical pressure Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Adiabatic expansion against a piston or in a turbine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The catalyst used in the manufacture of DDT is Alumina Silica Aluminium chloride 20% oleum Alumina Silica Aluminium chloride 20% oleum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the exothermic reaction out of the following: All of these MgCO₃ = MgO + CO₂ C + H₂O = CO + H₂ CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ All of these MgCO₃ = MgO + CO₂ C + H₂O = CO + H₂ CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ ANSWER DOWNLOAD EXAMIANS APP
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