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    Home / / Color-Change Chemistry

    By: Liliana
    Date: Oct 27, 2015


    By: Hani
    Date: May 27, 2015

    Well Reslly it is great site.  Can any one tell me about Coins ? can we clean it by Ammonia ?

    By: satoree
    Date: May 25, 2015

    it website is very helpful with my science fair

    By: rakesh
    Date: Sep 20, 2014

    really awesome techniques. if you add some pictures for the steps it will be more useful.pictorial representation gives a good understanding

    By: Yogesha H N
    Date: Jun 28, 2014

    Is there is any food grade color which is no color in its initial stage, but it turns color after brushing ?