The chemial name of Uria is

A. Carbamide

B. Chloroetane

C. Aneurin

D. None of these

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  1. Lightening cause rainfall because
  2. The property of a substance to absorb moisture from the air on exposure is called
  3. Water has maximum density at
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  5. Which of the following parts of the sun is easily visible only during a total solar eclipse?
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  8. Apparatus invented by Archimedes is :
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  13. Cell membrane is
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  15. Liquefied Petroleum gas (LPG) consists of mainly
  16. Glass is made from the mixture of
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  18. According to Daltons atomic theory the smallest particle which can exist independently is
  19. The fastest acting enzyme in the biological kingdom is
  20. The smallest functional and structural unit of kidney is called as
  21. Which of the following is most likely to cause a rise in the average temperature of earth's atmosphere…
  22. Which of the following is in liquid form at room temperature ?
  23. Bromine is
  24. The intencity of Earthquakes is measured on
  25. What is the unit for measuring the pitch or frequency of sound ?
  26. The location and energy of an electron in an atom can be specified by
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  29. The recent atomic weight scale is based on
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