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Callisto Group Title

Which of the following statements concerning the manufacture of town gas in Hong Kong is/are correct? (1)Town gas is produced from coal. (2)Town gas contains hydrogen as the major component. (3)Oxygen is added to enhance the flammability of town gas prior to its delievery to consumers. A:(1) only B:(2)only C:(1) and (3) only D:(2) and (3) only I know the answer. Is the statement (3) correct? Why or why not?

  • one year ago
  • one year ago

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  1. mathslover Group Title
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    so according to you C is correct?

    • one year ago
  2. Callisto Group Title
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    No

    • one year ago
  3. mathslover Group Title
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    second one is correct also hydrogen is present in 50% composition in Coal gas ( town gas ) as per my info.

    • one year ago
  4. Callisto Group Title
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    Actually, I'm asking if statement (3) is correct.

    • one year ago
  5. mathslover Group Title
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    oh k

    • one year ago
  6. mathslover Group Title
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    wait

    • one year ago
  7. mathslover Group Title
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    i think 3 is not correct as i think it is burnt in the absence of oxygen

    • one year ago
  8. Callisto Group Title
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    I can't believe things can be burnt without oxygen..

    • one year ago
  9. UnkleRhaukus Group Title
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    (3) is nonsense

    • one year ago
  10. UnkleRhaukus Group Title
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    oxygen is added At consumption, along with a high temperate

    • one year ago
  11. Callisto Group Title
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    But concerning town gas?

    • one year ago
  12. Callisto Group Title
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    Actually, there are two questions for statement (3) (a) Is oxygen added to town gas prior to its delievery to consumers? (b) Is the purpose of adding oxygen to enhance the flammability of town gas?

    • one year ago
  13. mathslover Group Title
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    a) is correct

    • one year ago
  14. UnkleRhaukus Group Title
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    what is town gas ?

    • one year ago
  15. mathslover Group Title
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    coal gas @UnkleRhaukus

    • one year ago
  16. UnkleRhaukus Group Title
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    natural cola seam gas ?

    • one year ago
  17. UnkleRhaukus Group Title
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    i though so

    • one year ago
  18. mathslover Group Title
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    I got it

    • one year ago
  19. Callisto Group Title
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    Town gas, produced from naphtha and natural gas, is a clean, safe and reliable gaseous fuel. Source: http://www.towngas.com/Eng/Corp/AbtTG/HKBus/Production.aspx I didn't know it's natural cola seam gas or coal gas...

    • one year ago
  20. UnkleRhaukus Group Title
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    is not a clean industry at all

    • one year ago
  21. mathslover Group Title
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    @Callisto the answer is a) coal gas contains 5% of ethylene that is used to increase luminous flame

    • one year ago
  22. UnkleRhaukus Group Title
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    i ment coal not cola*

    • one year ago
  23. Callisto Group Title
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    A:(1) only ?

    • one year ago
  24. Callisto Group Title
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    Sorry!!! @UnkleRhaukus

    • one year ago
  25. mathslover Group Title
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    no

    • one year ago
  26. UnkleRhaukus Group Title
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    im still deciding between (1) and (2)

    • one year ago
  27. mathslover Group Title
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    wait

    • one year ago
  28. mathslover Group Title
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    1) is correct 2) is also correct since hydrogen is present in 50% composition in coal gas 3) not correct

    • one year ago
  29. Callisto Group Title
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    wow....

    • one year ago
  30. mathslover Group Title
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    sarcastic mood? ;D but that is not in options

    • one year ago
  31. UnkleRhaukus Group Title
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    im not sure if produced is the right wording in (1)

    • one year ago
  32. Callisto Group Title
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    I'm sure (1) is not correct.

    • one year ago
  33. mathslover Group Title
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    Coal gas (also town gas and illumination gas) is a flammable gaseous fuel made by the destructive distillation of coal containing a variety of calorific gases including hydrogen, carbon monoxide, methane and volatile hydrocarbons together with small quantities of non-calorific gases such as carbon dioxide and nitrogen. - wikipedia 1) is absolutely correct

    • one year ago
  34. mathslover Group Title
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    but how r u sure @Callisto ?

    • one year ago
  35. Callisto Group Title
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    produced from naphtha and natural gas <- both are from petroleum. Also, don't forget I have the answer already.

    • one year ago
  36. mathslover Group Title
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    hmn so finally 2) is correct if you r sure that 1) is not correct

    • one year ago
  37. UnkleRhaukus Group Title
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    how do fossil fule deposits work ,

    • one year ago
  38. Callisto Group Title
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    As I mentioned before, I'm asking if (3) is correct, not (1) or (2).

    • one year ago
  39. mathslover Group Title
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    It is wrong as per me..

    • one year ago
  40. mathslover Group Title
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    *my info.

    • one year ago
  41. Callisto Group Title
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    Explanations?

    • one year ago
  42. mathslover Group Title
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    Ethylene is used for flammability of town gas not oxygen Ethylene is present in 5% composition in coal gas..

    • one year ago
  43. Callisto Group Title
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    http://www.towngas.com/Eng/Corp/AbtTG/HKBus/Production.aspx Please refer to the site.

    • one year ago
  44. Callisto Group Title
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    I'm sorry that I hid some words in the question. Look like I have to make it clearer...

    • one year ago
  45. mathslover Group Title
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    that matters a lot callisto : hong kong

    • one year ago
  46. Callisto Group Title
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    Question edited. Note that even though I'm a student here, I don't know the information related.

    • one year ago
  47. Callisto Group Title
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    It's not mentioned in the book nor there is any hint in the question.

    • one year ago
  48. UnkleRhaukus Group Title
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    Wobbe Index 24.

    • one year ago
  49. mathslover Group Title
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    Actually I am not sure that I can help you in this since I don't know about the condition in Hong Kong

    • one year ago
  50. Callisto Group Title
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    I just said that even student here don't know the situation lol

    • one year ago
  51. mathslover Group Title
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    lol

    • one year ago
  52. Callisto Group Title
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    *students

    • one year ago
  53. mathslover Group Title
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    http://www.towngas.com/Eng/Corp/AbtTG/HKBus/Production.aspx this says all that we wanted : 1) Your main question... statement 3)... that is correct 2) "2)" is correct also... (but it is not asked by you)

    • one year ago
  54. Callisto Group Title
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    Thanks for posting the same link again..( 3times in this post already) Why is statement (3) correct?

    • one year ago
  55. mathslover Group Title
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    statement 3 is correct explanation : Nitrogen and Oxygen 0% – 3.3% at least this shows that oxygen is present in coal gas.. In the given components there, oxygen is the best gas responsible for flammability.

    • one year ago
  56. mathslover Group Title
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    that is my opinion...

    • one year ago
  57. Callisto Group Title
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    Then, you're just assuming it's used to enhance flammability but not explaining it really.

    • one year ago
  58. mathslover Group Title
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    "sorry", you must prefer a coal gas engineer :D

    • one year ago
  59. mathslover Group Title
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    @vishweshshrimali5

    • one year ago
  60. vishweshshrimali5 Group Title
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    Well @Callisto can u please give me a short summary what has happened till now

    • one year ago
  61. Callisto Group Title
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    I don't know if statement (3) in the question is correct Which of the following statements concerning the manufacture of town gas in Hong Kong is/are correct? (1)Town gas is produced from coal. (2)Town gas contains hydrogen as the major component. (3)Oxygen is added to enhance the flammability of town gas prior to its delievery to consumers.

    • one year ago
  62. UnkleRhaukus Group Title
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    statement (3) is not correct. oxygen is not added until burning

    • one year ago
  63. vishweshshrimali5 Group Title
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    agree

    • one year ago
  64. Callisto Group Title
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    Sure?

    • one year ago
  65. vishweshshrimali5 Group Title
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    I think so ?? and even wiki thinks so

    • one year ago
  66. mathslover Group Title
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    @vishweshshrimali5 leave wiki.. I hate it now .. :'( It is not so much reliable as per my info.... since acc. to it oxygen is not present in it but other site says it is

    • one year ago
  67. vishweshshrimali5 Group Title
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    Oxygen is not present

    • one year ago
  68. Callisto Group Title
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    But ones who set the exam paper don't think so.. @vishweshshrimali5

    • one year ago
  69. vishweshshrimali5 Group Title
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    wiki is correct it is prepared by destructive distillation that is heating in absence of oxygen

    • one year ago
  70. vishweshshrimali5 Group Title
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    Why ?

    • one year ago
  71. mathslover Group Title
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    that is what i tried to say @vishweshshrimali5

    • one year ago
  72. Callisto Group Title
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    I don't know... That's why I asked.

    • one year ago
  73. vishweshshrimali5 Group Title
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    You know the answer

    • one year ago
  74. Callisto Group Title
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    It's D, I did mention I had the answer.

    • one year ago
  75. vishweshshrimali5 Group Title
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    Impossible

    • one year ago
  76. Callisto Group Title
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    Explanations?

    • one year ago
  77. mathslover Group Title
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    I WON

    • one year ago
  78. vishweshshrimali5 Group Title
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    Callisto I searched for it on internet town gas also called as coal gas is obtained by destructive distillation of coal that is heating coal in absence of oxygen

    • one year ago
  79. mathslover Group Title
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    though m not having perfect explanation for 3) as i am not living in hong kong :( right vishwesh... wiki says that

    • one year ago
  80. mathslover Group Title
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    but : http://www.towngas.com/Eng/Corp/AbtTG/HKBus/Production.aspx

    • one year ago
  81. Callisto Group Title
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    @mathslover I'm really sorry to say it's not about winning.

    • one year ago
  82. mathslover Group Title
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    No problem, it was a joke though

    • one year ago
  83. Callisto Group Title
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    And also you cannot use that data to say it's added to enhance flammability, even though it might.

    • one year ago
  84. mathslover Group Title
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    as I know that this is not a quiz or anything to win about.. and if I had correct explanation that i deserved that but I don't deserve to say "I won" ..

    • one year ago
  85. vishweshshrimali5 Group Title
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    @Callisto is sometheing still left ?

    • one year ago
  86. Callisto Group Title
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    You mean?

    • one year ago
  87. vishweshshrimali5 Group Title
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    I mean have we got the answer

    • one year ago
  88. vishweshshrimali5 Group Title
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    ??

    • one year ago
  89. Callisto Group Title
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    The answer is D.

    • one year ago
  90. vishweshshrimali5 Group Title
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    I mean to say have you got that the answer D is wrong in fact

    • one year ago
  91. Callisto Group Title
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    The answer is provided by the examination authority

    • one year ago
  92. vishweshshrimali5 Group Title
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    sorry I can't compete with examination authority they are subject experts

    • one year ago
  93. vishweshshrimali5 Group Title
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    we have to accept their answer

    • one year ago
  94. Callisto Group Title
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    So, the only option left is that I have to remember this fact without knowing the reasons behind?

    • one year ago
  95. vishweshshrimali5 Group Title
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    yes :'( first time I have to say that .............. sorry..... :'(

    • one year ago
  96. vishweshshrimali5 Group Title
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    Sorry again

    • one year ago
  97. Callisto Group Title
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    It's okay. It's not the first time I heard it after all though

    • one year ago
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