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Miscellaneous Physical Sciences
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Topic Topic: Helium gas is not combustible Post ReplyNew Question
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Joined: 26 June 2005
Posts: 918
Posted: 17 December 2005 at 10:39am | IP Logged Quote System

Why are air balloons filled with helium gas rather than with hydrogen gas?
    A.   Helium gas is lighter
    B.   Helium gas is cheaper
    C.   Helium gas is not combustible
    D.   Helium gas is abundant
 QUIZ QUESTION #2521 created by Tutor12567 on 11 December 2005 at 11:06pm

Correct answer: C    Correct clicks: 37.67%  Wrong clicks: 62.33%
    A.   [1840 clicks 48.00%] 
    B.   [200 clicks 5.22%] 
    C.   [1444 clicks 37.67%] 
    D.   [349 clicks 9.11%] 
Please discuss this quiz question.
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Joined: 15 November 2006
Location: Malaysia
Posts: 1
Posted: 15 November 2006 at 5:13pm | IP Logged Quote Ericjay80

Hydrogen is a highly combusible gas. The ppresent of this gas can be tested with flaming wooden test stick. So, the massive volume of hydrogen filled in the ballon will cause bif explosion if exposed to flame. Helium is noble gas. Completely inactive chemically.
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