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Author Topic: How to produce harmless coloured gas from combination of liquids  (Read 3210 times)

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aperiodic

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How to produce harmless coloured gas from combination of liquids
« on: September 10, 2008, 01:04:49 AM »

Hi, I'm new to this forum, hoping I get a good response from this first post.

My question is: how do I produce a harmless coloured gas from combining two or more liquids (also preferred relatively harmless)?  The reason I ask, I wish I could, but I cannot give precisely, but is related to a project I'm doing for a school.

I've applied my GCSE chemistry (getting foggier) and the closest we got to something was using acids to produce (colourless) carbon dioxide.  Google only gives me information on a kind of fractional distillation as far as I could see, so I've come here!

Thanks
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Borek

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Re: How to produce harmless coloured gas from combination of liquids
« Reply #1 on: September 10, 2008, 02:10:10 AM »

This question pops now and again (search the forums) and the general consensus is that there doesn't exist harmless and easy to produce coloured gas. Sorry.
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aperiodic

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Re: How to produce harmless coloured gas from combination of liquids
« Reply #2 on: September 10, 2008, 02:24:15 AM »

Can I ask then, is the simplest way to create a coloured gas by making a mixture like this http://chemistry.about.com/od/chemistryhowtoguide/a/coloredsmoke.htm, and are there any other ways of making coloured gases that would give similar results, regardless of complexity?

Thanks for the quick reply!
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Borek

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Re: How to produce harmless coloured gas from combination of liquids
« Reply #3 on: September 10, 2008, 03:13:12 AM »

This is not gas, this is smoke (aerosol).
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aperiodic

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Re: How to produce harmless coloured gas from combination of liquids
« Reply #4 on: September 10, 2008, 03:46:03 AM »

Sorry, I should have made the distinction, is there a simple way of producing coloured smoke by use of liquids or an alternative to the above method?
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