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Helium passes through many solids including thin metals.
Do noble gases prefer not to participate in chemical reactions?
by Answerbag Staff on January 13th, 2011
| 1 person likes this
Is co2 a greenhouse gas?
by Answerbag Staff on January 7th, 2011
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Where can you get CO2 cylinders refilled?
by Answerbag Staff on July 30th, 2010
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Have you ever discovered a gas leak?
by Freedom00 on March 14th, 2011
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How do you measure the amount of toxic gases coming off markers?
by need_a_answer on February 20th, 2011
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You're reading I filled helium gas in a PET bottle. After some days, I found the bottle shrunken. What happend?
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