A. Can use low grade brine
B. Has less corrosion problems
C. Involves higher investment in NH3 recovery units than that for crystallisation units for NH4Cl
D. Both B. and C.
Correct Answer: D. Both B. and C. ✔
Last Updated: February 14, 2019
Related MCQs
- The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is __________?
- Pure rectified spirit contains about __________ percent alcohol?
- Styrene is produced from ethyl benzene by the process of__________?
- White phosphorous is stored under water, because __________?
- Paper pulp produced by Kraft/sulphate process is__________ ?
- Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C ?
- Oxidation of SO2 to SO3 is favoured by__________?
- Which of the following contains least amount of N2 ?
- Which of the following is not responsible for causing permanent hardness of water ?
- Which is the main reducing agent during production of iron from iron ore in a blast furnace ?
- __________ are used as corrosion inhibitor for iron & steel in aqueous solutions ?
- Fusion of bauxite and __________ produces high alumina cement?
- The basic constituent of vegetable oils is __________?
- In sulphate pulp manufacture, the pressure and temperature in the digestor is__________?
- Glass is__________?
- Sulphur addition in soap is done to __________?
- Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction ?
- Esterification reaction produces __________?
- Haemoglobin is a/an__________?
- Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C ?
- Hydrophilic group of a soap or detergent solution is__________?
- The chamber process is__________?
- Sand and __________ is fused at 1300°C, to produce sodium silicate ?
- The main use of HCl is in the__________?
- High purity nitrogen is used in__________?
- Percentage of glycerine present in the spent lye obtained during soap manufacture is about__________?
- Which of the following is an unsaturated fatty acid ?
- Iron ore hematite is concentrated using __________?
- The most widely used coagulant for removing suspended impurities from water is__________?
- Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo ?
- Flexible foam (for mattresses) is usually made of__________?
- Thermoplastic materials__________?
- The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to__________?
- Main product in calcium carbide-water reaction is__________?
- The yield of tar from high temperature carbonisation of dry coal is about __________ percent?
- Permanent hardness of water can be removed by__________?
- Bitterns is a/an__________?
- Nylon-66 is so named because the__________?
- The main product of high temperature carbonisation of coal is__________?
- Salt is added in the kettle during soap manufacture to separate __________?
- Percentage of alcohol in beer may be around __________ percent?
- Fatty material used in soap making is __________?
- The main use of activated carbon in water treatment is to control __________?
- Separation of fresh water from sea water can be done by the __________ operation ?
- Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like__________?
- Presence of H2S in raw water (to be chlorinated) results in the__________?
- __________ is an ore of lead?
- Hydrogen gas is not produced commercially (for nitrogenous fertiliser manufacture) by __________?
- The most commonly used substance to speed up the sedimentation of sewage is__________?
- Which of the following is not produced commercially from sea water ?
- Oleum produces fumes of__________?