food tests ect

• food tests solutions

  -BLUE benedicts solution: sugars

  *positive test: green(little), orange(moderate), brickred(large)

  -BLUE biuret solution: proteins

  *positive test: lilac purple

  -YELLOW iodine solution: startch

  *positive test: blueblack

  -CLEAR ethanol: lipids

  *positive test: cloudy white