Google Answers: Science Fair experiments

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Q: Science Fair experiments ( No Answer, 1 Comment )

Question

Subject: Science Fair experiments
Category: Science > Chemistry
Asked by: jhelmick-ga
List Price: $2.00

Posted: 14 Feb 2005 18:16 PST
Expires: 16 Mar 2005 18:16 PST
Question ID: 474651

I am helping my boys on a couple Science Fair projects, I need to know
"in simple terms" for a 10 year old to understand, Why will iron not
rust when submirsed in a mixture of water and baking soda for a period
of 1 week. All other water samples including plain water rusted right
away

Answer

There is no answer at this time.

Comments

Subject: Re: Science Fair experiments
From: xantho-ga on 27 Feb 2005 17:06 PST

Does saltwater cause the iron to rust?
I believe baking soda is calcium carbonate (a salt), adding water will
cause it to ionize, so the oxygen will not be able to react with the
iron.

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