A. (NH4)2SO4
B. NH4Cl
C. (NH4)2 NO3
D. Liquid NH3
Related Mcqs:
- 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 - Coke oven gas consists mainly of ____________________?
A. H2, & CH4
B. CO, & CO2
C. H2, & CO
D. CH4, & CO - Glycerine is recovered from lye by ___________________?
A. Evaporation followed by vacuum distillation
B. Liquid extraction technique
C. Extractive distillation technique
D. None of these - Impurities present in brine is normally removed by treatment with ?
A. NH3 and CO2
B. Lime and soda ash
C. Lime, ammonia and carbon
D. All A , B. and C. - Coke used for the production of calcium carbide should have____________________?
A. Low ash content
B. Low ignition temperature
C. High electrical resistivity
D. All A , B. and C. - 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 - Hydrochloric acid is also known as_________________?
A. Oil of vitriol
B. Muriatic acid
C. Strong organic acid
D. Green acid - Reverse osmosis is normally used for the_______________?
A. Separation of isotopes of uranium from gaseous uranium hexafluoride
B. Separation of helium from natural gas
C. Desalination of brackish water to produce potable (drinking) water
D. Purification of oxygen - What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell ?
A. Cl2 & Na
B. Cl2 & H2
C. O2 & H2
D. Cl2, H2 & NaOH solution - Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about _____________ °C ?
A. -53
B. -103
C. -183
D. -196
