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Mystery Powder

Published on Nov 22, 2015

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PRESENTATION OUTLINE

MYSTERY POWDER

BY DAVID HOWARD
Photo by © Axel Naud

IDENTIFICATION

  • Powder A is cornstarch
  • Powder B is salt
  • Powder C is powdered sugar
  • Powder D is baking soda
  • Mystery Powder is also baking soda

THE TESTS PERFORMED

  • A microscopic test of the powders
  • Mixed the powders with vinegar
  • Mixed the powders with iodine
  • Mixed the powders with water
  • A texture test of the powders
Photo by Markyboy81

POWDER A

  • Roundish squares for A
  • The powder mixed with vinegar
  • The color changed to a black when mixed with Iodine
  • Forms a white mixture when mixed with water
  • The powder is fluffy and smooth
  • The powder is cornstarch

POWDER B

  • There are cube crystals in Powder B
  • Powder B had no reaction with Vinegar
  • The color changes to a brown when mixed with Iodine
  • It dissolved in water
  • It has a rough texture
  • Powder B is salt
Photo by kevin dooley

POWDER C

  • Powder C has clumps of random shapes inside
  • Powder C dissolved when mixed with vinegar
  • Powder C changed the color to a brown when mixed with iodine
  • Powder C dissolved when mixed in water
  • Powder C has a fluffy texture
  • Powder C is powdered sugar
Photo by Uwe Hermann

POWDER D

  • The crystals are random shapes in the powder.
  • It fizzed in vinegar
  • It dissolved in Water
  • The texture is fluffy, somewhat smooth
  • The powder is Baking Soda
Photo by katerha

MYSTERY POWDER

  • The crystal inside the powder are random shapes
  • The powder fizzed in the vinegar test
  • This powder dissolved in the iodine test
  • The powder also dissolved in water
  • The powder is fluffy somewhat smooth
  • The Unknown Powder is baking soda, just like Powder D
Photo by Bilal Kamoon