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. Polythene is industrially prepared by the polymerisation of
  2. The speed of light with the rise in the temperature of the medium
  3. The smallest functional and structural unit of kidney is called as
  4. Old-written material, which cannot be read easily can be read by
  5. Which of the following elements is a metal
  6. Brass gets discoloured in air due to the presence of which gas in air
  7. The property of a substance to absorb moisture from the air on exposure is called
  8. Carbon tetrachloride fire extinguisher should not be used in closed room because it produces poisonous…
  9. Pollination by birds is called
  10. Apparatus invented by Archimedes is :
  11. The major ingredient of leather is
  12. Epoxy resins is used as
  13. Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of
  14. The marine animal called dugong which is vulnerable to extinction is a/an
  15. The recent atomic weight scale is based on
  16. Which of the following elements is obtained from sea weeds ?
  17. Water has maximum density at
  18. Quartz crystals normally used in quartz clocks etc. is chemically
  19. The location and energy of an electron in an atom can be specified by
  20. Cell membrane is
  21. The fastest-running terrestrial animal is
  22. Liquefied Petroleum gas (LPG) consists of mainly
  23. The element present in the largest amount in rocks and minerals is
  24. Which of the following elements is non-radioactive?
  25. Which of the following characters is not shown by hydrogen
  26. The oxide of Nitrogen used in medicine as anaesthetic is
  27. The type of glass used in making prisms and lenses is
  28. The formula of Plaster of Paris is
  29. The intencity of Earthquakes is measured on
  30. The hardest substance available on earth is