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Chemistry Viva (Practical-9, 9th Class)

To Prepare Ammonia Gas and Study its properties. Q.1. What is the formula of Ammonia? Ans. NH3. Q.2. Wha is the formula of Ammonium Chloride? Ans. NH4cl. Q.3. What is the formula of Quick Lime? Ans. CaO. Q.4. What is the chemical name of Quick Lime? Ans. Calcium Oxide. Q.5. What do you mean Sal Ammoniac? Ans. Ammounium Chloride is also known as Sal Ammoniac. Q.6. What is the molecular weight of Ammonia (NH3)? Ans. The molecular weigth of Ammonia is 17. Q.7. How will you prepare Ammonia in Science Laboratory? Ans. Ammonia is prepared in the Laboratory by heating a mixture of Ammonium Chloride and powdered quick lime (CaO) or Slaked lime Ca(OH)2. Q.8. Write down the chemical equation concerning the preparation of Ammonia? Ans.

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  • nice work
    Haider on 05-03-2012 at 07:26:59 commented
  • nice.very helpful
    sana on 29-03-2012 at 08:32:58 commented
  • great job
    romela on 11-08-2012 at 11:41:33 commented
  • great work
    neha on 08-12-2012 at 02:03:03 commented
  • good questions
    maha on 25-01-2013 at 06:39:50 commented
  • Nice experiment n very helpful
    Manavi on 04-02-2013 at 09:22:57 commented
  • nt vry gud mke it nice
    dhanes h on 19-02-2013 at 03:05:51 commented
  • very helpful.thankyou
    summia on 29-09-2013 at 12:24:47 commented
  • vry hlp fl............
    maryam on 22-04-2014 at 08:35:34 commented
  • good but less questions add more questions with practical instrument names is most important am i sure,,,,,,,,,,,or not friends
    areesha on 08-12-2014 at 02:42:32 commented

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