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Two or more entirely different compounds having the same molecular formula are known as

A. isobars

B. isotopes

C. isomorphs

D. isomers

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  1. In the nitrogen cycle, denitrifying bacteria
  2. Which one of the following elements is alloyed with iron to produce steel which can resist high temperatures…
  3. Rusting of iron cannot be prevented by
  4. The scientist who synthesised the first organic compound (urea) in the laboratory was
  5. A mixture of ethyl alcohol and water can be separated by
  6. The gas which has a faint sweet odour is
  7. Even as early as 3000 BC glass was known to the
  8. Beri-beri is caused by deficiency of Vitamin
  9. Oxalic acid is used in the manufacture of
  10. In addition to nitric acid, another acid which may render iron passive is
  11. A common rodenticide is (Rat Poison)
  12. Nitrous oxide used as anaesthetic is usually mixed with
  13. The science which deals with the chemistry of life processes is known as
  14. The depletion of the ozone layer in the upper atmosphere is due to -extensive use of
  15. Rooms in places infected by plague are disinfected using
  16. Which among the following gases present in the air discolours brass nameplates?
  17. Which of the following la a very good supporter of combustion?
  18. Which of the following act a both u oxidising and reducing agent?
  19. Stainless steel contains steel and
  20. Which of the following biology laboratory?
  21. Real gases tend to become ideal Under
  22. Which of the following types of water gives lather easily with soap?
  23. Soda-water contains
  24. Gold dissolves in aqua regia due to the formation of
  25. A non-material kind of pollution is
  26. The compound which is both an antiseptic and a disinfectant is
  27. The main constituent of gobar gas is
  28. One method by which the components of air can be separated is
  29. Ozone is an allotrope of Oxygen, containing ______ atom/s of oxygen per molecule instead of two.
  30. The percentage of silver in German silver is