Gas liberated in Bhopal gas tragedy was

A. methyl isocyanide

B. phenyl isocyanide

C. ethylene

D. acetylene

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  4. Which one is the direct ecological factor ?
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  19. When a big fish eats a small fish, which eats water fleas supported by phyto-plankton, the water-fleas…
  20. The most polluted city in the world is
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  22. Association of a sea-anemone with hermit crab living in a gastropod shell is an example of
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