Home

Carbon tetrachloride fire extinguisher should not be used in closed room because it produces poisonous glass called

A. Carbon Monoxide

B. Phosgene

C. Phosphine

D. None of these

You can do it
  1. The chemial name of Uria is
  2. Apparatus invented by Archimedes is :
  3. Nitrification means
  4. The recent atomic weight scale is based on
  5. Which of the following parts of the sun is easily visible only during a total solar eclipse?
  6. Which of the following elements is non-radioactive?
  7. The location and energy of an electron in an atom can be specified by
  8. The intencity of Earthquakes is measured on
  9. Epoxy resins is used as
  10. Which of the following is in liquid form at room temperature ?
  11. Which of the following elements is obtained from sea weeds ?
  12. The metal used in storage batteries
  13. Which of the following is commonly called a polyamide ?
  14. The fastest acting enzyme in the biological kingdom is
  15. What is the unit for measuring the pitch or frequency of sound ?
  16. The property of a substance to absorb moisture from the air on exposure is called
  17. Cell membrane is
  18. Which of the following is most likely to cause a rise in the average temperature of earth's atmosphere…
  19. The element present in the largest amount in rocks and minerals is
  20. The speed of light with the rise in the temperature of the medium
  21. One fathom is equal to
  22. The metallic constituents of hard water are
  23. Brass gets discoloured in air due to the presence of which gas in air
  24. The removal of top soil by water or wind is called
  25. The solar eclipse occurs when
  26. The type of glass used in making prisms and lenses is
  27. Carbon tetrachloride fire extinguisher should not be used in closed room because it produces poisonous…
  28. The Panda belongs to the same family as that of
  29. Old-written material, which cannot be read easily can be read by
  30. Liquefied Petroleum gas (LPG) consists of mainly