A. Making oxygen
B. Producing helium
C. Mining sulphur
D. Making nitrogen
Related Mcqs:
- Solvay process as compared to dual process (i.e. modified Solvay process) ?
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. - 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 - ______________ process is used for the manufacture of sodium carbonate by ammonia soda process?
A. Ostwald’s
B. Bosch
C. Solvay
D. Haber’s - Comparing sulphate process with sulphite process, we find that ______________ in the later ?
A. Both temperature & pressure in the former is less than that
B. Both temperature & pressure in the former is more than that
C. Temperature is more in the former whereas pressure is more
D. Pressure is more in the former whereas temperature is less - Le-Blanc process is a primitive process for the manufacture of___________________?
A. Caustic soda
B. Soda ash
C. Bromine from sea water
D. Hydrochloric acid - In Kraft process of paper manufacture, white cooking liquor consists of caustic soda________________?
A. Sodium sulphide & sodium carbonate
B. Sodium sulphite & sodium carbonate
C. Sodium sulphite & sodium sulphide
D. None of these - Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda ?
A. High cost of mercury
B. High specific gravity of mercury
C. Non-availability of high purity mercury
D. Pollution of water stream by mercury - Solvay process is used for the manufacture of____________________?
A. Caustic soda
B. Soda ash
C. Caustic potash
D. Soda lime - The process involved in converting rubber into a thin sheet or coating it on fabric is called ___________________?
A. Extrusion
B. Mastication
C. Calendaring
D. Vulcanisation - In the production of soda ash by Solvay process, the by-product is____________________?
A. CaCl2
B. NH4Cl
C. NH3
D. NaOH