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Goldenrod Color-Changing Paper - Halloween Science

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  • 12 years ago
  • 23,697 views
  • 26 likes
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Order now at http://www.stevespanglerscience.com/product/1239 This paper turns bright red when dipped in bases such as ammonia and washing soda, and turns back to its normal color when you dip it in acids such as vinegar or lemon juice.
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