Musliha Starch Test

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Musliha Starch Test
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טקסט Storyboard

  • Put a beaker of water onto the Bunsen burner. Turn it off while its boiling.
  • Use tweezers to dip three leaves into the hot water for 60 seconds.
  • I should wear goggles.
  • Put 20ml ethyl alcohol into a test tube and place it into the beaker.
  • Putthe leaves into the alcohol and leave them for 10 minutes.
  • I should turn the burner off while alcohol is in there.
  • Remove the leaves and wash them in cold water. Now spread them out on a Petri dish and cover it with iodine solution.
  • The leaves should turn blue-black due to the presence of starch.
נוצרו מעל 30 מיליון לוחות סיפור