Which of the following is not required in the manufacture of soda ash by Solvay process?

A. Ammonia

B. Limestone

C. Nitric acid

D. None of these

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. The catalyst used in the manufacture of DDT is
  2. Glycerine is not used in the
  3. The purpose of adding Na2CO3 to water of low alkalinity is to
  4. Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at
  5. Sea weeds are an important source of
  6. Conversion of SO2 to SO3 in Monsanto 4-pass converter is about __________ percent.
  7. The major constituent of black liquor generated during paper manufacture is sodium
  8. Liquor poisoning generally occurs due to the presence of __________ in it.
  9. Reaction of calcium carbide with water produces a gas, which is used
  10. Hydrazine (N2H4) is used mainly as a/an
  11. Use of hydrated lime in water treatment
  12. Solvay process as compared to dual process(i.e. modified Solvay process).
  13. Most widely and commonly used coagulant for the removal of suspended impurities in water is
  14. Which of the following is a constituent of vinegar?
  15. The noble gas which occurs most abundantly in the atmosphere is
  16. __________ are added in lacquers to remove film brittleness and to improve adhereness.
  17. In the manufacture of viscose rayon, the raw material used industrially is
  18. Penicillin is made employing __________ fermentation process.
  19. Pick out the wrong statement pertaining to the soap manufacture.
  20. A substance produced by a living organism and capable of anti-microbial activity is called a/an
  21. Inversion of sucrose produces
  22. The only commercial Fischer-Tropsch plant for producing liquid hydrocarbon fuel from coal is located…
  23. Antibiotic
  24. __________ is a thermosetting plastic.
  25. Carborundum consists mainly of
  26. Lithophane is
  27. Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury…
  28. Le-Blanc process is a primitive process for the manufacture of
  29. Alcohol is produced by the
  30. Free alkali in a toilet soap is __________ that in a laundry shop.