A. Dilute H2SO4
B. Ethanol amine
C. Chilled water
D. Tri-butyl phosphate
Related Mcqs:
- Presence of H2S in raw water (to be chlorinated) results in the_____________________?
A. Reduced softening capacity of zeolite
B. Increased dosage of chlorine to provide a disinfecting residual in the water
C. Easy removal of its hardness
D. None of these - The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is _____________________?
A. Alumina
B. Silica gel
C. Platinum
D. Nickel - Naphthalene is removed from coke oven gas by ________________________?
A. Adsorbing on palladium
B. Absorbing in ethanolamine
C. Scrubbing with wash oil
D. Passing it through electrostatic precipitator - Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of ____________________?
A. Nitric acid
B. Sulphuric acid
C. Ammonium sulphate
D. Hydrochloric acid - During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to__________________?
A. Increase the rate of absorption
B. Avoid corrosion
C. Reduce the cooling water circulation rate
D. None of these - Absorption of SO3 in 97% H2SO4 is_______________?
A. Exothermic
B. Endothermic
C. Not possible
D. None of these - Favourable conditions for the liquefaction of gases in general are _____________________?
A. High pressure & low temperature
B. Low pressure & high temperature
C. High pressure & high temperature
D. Low pressure & low temperature - Which of the following fuel gases contains maximum amount of carbon monoxide ?
A. Coke oven gas
B. Water gas
C. Blast furnace gas
D. L.D. converter gas - Liquefaction of gases cannot be done by___________________?
A. Exchange of heat with colder stream
B. Adiabatic expansion through a throttle valve (Joule-Thomson expansion)
C. Merely compressing it beyond critical pressure
D. Adiabatic expansion against a piston or in a turbine - Inversion of sucrose produces_____________________?
A. Fructose
B. Glucose
C. Both A. & B.
D. Neither A. nor B.
