The ore of iron is

A. Dolomite

B. Magnetite

C. Bauxite

D. Anglesite

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

You can do it
  1. The gas evolved when ammonium nitrate is heated is
  2. Dust particles in the air of large industrial cities are removed by
  3. The hormone which absorption is increases glucose oxidation and glucose
  4. Nylon is made from
  5. Gasoline is obtained from crude petroleum by
  6. An essential condition for rusting is
  7. Which of the following is not a food material?
  8. The foul odour of gasoline is due to
  9. Which of the following is not a supporter of combustion?
  10. Glass is a ______ mixture of metallic ______.
  11. The depletion of the ozone layer in the upper atmosphere is due to -extensive use of
  12. Cupellation is used in the purification of
  13. Ethyl alcohol is
  14. In the process of purification of water for town supply, the substance used to remove bad smell and…
  15. CAN is used as (Calcium Ammonium Nitrate)
  16. The pure at form of iron is
  17. The main element used in the vulcani-sation of rubber is
  18. Hard water does not lather well with soap because
  19. The scientist associated with the discovery of the nucleus was
  20. A drug that is usually administered for malaria is
  21. Ozone occurs in the upper layers of air in the atmosphere because
  22. The non-metal which has a shining appearance is
  23. The best specimen for drinking purposes is
  24. Oil of winter green contains
  25. Boiler scales' contain
  26. Iron is coated with zinc to prevent rusting. The process is called
  27. Washing soda is
  28. Chloroform used as anaesthetic should be preserved In the dark in tightly stoppered bottles because…
  29. In surgical operation, the anaesthetic commonly used nowadays is
  30. The chemical name of aspirin is