Prussian blue is chemically represented by

A. FeO.TiO2

B. Ca SO4 . 2H2O

C. Fe4 [Fe (CN6)3]

D. AlF3 . 3NaF

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

You can do it
  1. Rotary kiln is not involved in the production of
  2. Commercial production of Vanaspati is done by __________ of edible vegetable oils.
  3. __________ is not a constituent of gun powder.
  4. Salt is added in the kettle during soap manufacture to separate
  5. Fluorescent dyes are added in detergents to
  6. 20% oleum means that in 100 kg oleum, there are 20 kg of
  7. High temperature carbonisation of coal produces
  8. Grignard reagent is chemically known as
  9. Nitrile rubber is produced by the polymerisation of
  10. Zeolite is a/an
  11. Pick out the endothermic reaction out of the following.
  12. Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion…
  13. DDT should not be allowed to come in contact with iron (during its manufacture) to
  14. Yellow phosphorus is transported under
  15. In the production of soda ash by Solvay process, the by-product is
  16. Which of the following is used as a coagulant in treating turbid water?
  17. Fermentator temperature during production of alcohol from molasses is around __________ °C.
  18. Which is the most suitable dye for synthetic fibres?
  19. Hydrazine is largely used
  20. Sulphuric acid saturated with SO3 is called
  21. The most economical pulp for the production of newsprint would be the __________ pulp.
  22. Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have
  23. Molasses is the starting material for the production of
  24. Hydrogenation of vegetable oils is a/an __________ reaction.
  25. Which of the following is not an antibiotic?
  26. Neoprene is chemically known as
  27. Chemical name of soda ash is
  28. Viscosity index improver (like polystyrene or polyisobutylene) is added to lubricant to
  29. Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent.
  30. The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is