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From: king@kestrel.UUCP
Newsgroups: net.puzzle,net.sci,net.games.trivia
Subject: Re: what is this substance?
Message-ID: <13282@kestrel.ARPA>
Date: Thu, 9-Oct-86 12:48:50 EDT
Article-I.D.: kestrel.13282
Posted: Thu Oct  9 12:48:50 1986
Date-Received: Sat, 11-Oct-86 20:07:57 EDT
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   From: lyang@sun.uucp (Larry Yang)
   Newsgroups: net.puzzle,net.sci,net.games.trivia
   Date: 8 Oct 86 21:29:35 GMT
   Distribution: usa

   > 
   > I've got it! It's FREON!  C-Cl2-F2.  It exists as both a gas and a
   > liquid in your refrigerator.  It may be a fluorinated chlorinated
   > HYDROcarbon, but there isn't any hydrogen left.

   What color is freon?  Is it opaque?

Freon is clear and transparent.

Every automobile with air conditioning has a window on the accumulator
(a small metal tank) for judgig fluid level.  If there are bubbles,
you need recharging. If there are no bubbles, the liquid looks like
water.

-dick