Blue vitriol is chemically

A. Copper sulphate

B. Ferrous sulphate

C. Copper nitrate

D. Aluminium sulphate

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

You can do it
  1. Yellow phosphorus is transported under
  2. Viscose rayon
  3. The catalyst used in the manufacture of DDT is
  4. The drug used in contraceptives is
  5. Concentration of NaOH solution produced by mercury electrolytic cell is about __________ percent.
  6. Commercial production of Vanaspati is done by __________ of edible vegetable oils.
  7. Dehydrogenation of ethyl benzene produces
  8. 'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of
  9. CaO is called
  10. Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action…
  11. Pick out the wrong statement pertaining to nitric acid.
  12. Ceramics are produced from silicates or clayish materials: Which of the following is not a ceramic material?
  13. Use of chlorine in the treatment of sewage
  14. __________ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace.
  15. Which of the following is used as a coagulant in water treatment?
  16. Average sulphur content in Indian pyrites is about __________ percent.
  17. Which form of sulphur is the most stable at room temperature?
  18. Celluloid is chemically
  19. Thermoplastic materials
  20. In multistage equilibrium conversion of SO2 to SO3 (2SO2 + O2 2SO3), the reverse reaction becomes appreciable…
  21. Varnish does not contain
  22. Roasting of metallurgical ores is done mainly to
  23. Lime and soda ash are added to water to remove
  24. Thermosetting materials
  25. Fat splitting catalyst is
  26. Litharge is
  27. Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used
  28. Which of the following is not responsible for causing permanent hardness of water?
  29. Hydrocyanic acid (HCN) is used as an insecticide for
  30. Hydrazine is used in water treatment for the removal of