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Proximate analysis of coal determines its __________ content.

A. Moisture, ash, sulphur & volatile matter

B. Moisture & volatile matter

C. Moisture, sulphur, nitrogen & fixed carbon

D. None of these

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

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  1. Oxygen is produced by fractionation of air using __________ process.
  2. Phthalic anhydride is made by the
  3. Catalytic oxidation of toluene produces
  4. __________ is used as a flux in the smelting of copper ore like chalcopyrite.
  5. The terminology 'BTX' used in coal tar distillation industry refers to
  6. Massecuite is
  7. Which of the following is a constituent of coffee?
  8. Commonly used glass is known as the __________ glass.
  9. The process involved in converting rubber into a thin sheet or coating it on fabric is called
  10. Bromine is used in the preparation of
  11. Inversion of sucrose produces
  12. Which of the following fuel gases contains maximum amount of carbon monoxide?
  13. Economics of 'Solvay Process' depends upon the efficiency of
  14. Enzymes are
  15. Flexible foam (for mattresses) is usually made of
  16. Grignard reagent is chemically known as
  17. Thermosetting materials
  18. Bleaching of paper pulp is done with
  19. CaSO4 . ½H2O is known as
  20. Which of the following processes is absent in glass manufacturing process?
  21. High acid value of an oil or fat is an indication of
  22. Which of the following is not a food additive?
  23. Glauber's salt is chemically
  24. Which glass is usually used in optical work?
  25. The temperature in the calcium carbide furnace is __________ °C.
  26. Drinking (potable) water treatment does not involve
  27. Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt…
  28. Bromine content in sea water may be around __________ ppm.
  29. Reverse osmosis is normally used for the
  30. In primitive days, __________ was being manufactured by Leblanc Process.