Mystery Powders Lab - Part 2 - UnKnowns

Use this photo if you need help with remembering what happened in the first lab. Sort the descriptions to the correct powder. Starch Turned purple with iodine Turned yellow with universal indicator Baking Soda Bubbled with vinegar Turned blue with universal indicator Lime Turned dark blue with universal indicator Turns white with iodine Acid Turned red with universal indicator Fill in your observations for the unknown powders in the Table below. Then using your observations and the information above, identify what powder or powders are in each unknown. Picture below if you want to double check your observations. Powder Observations Vinegar ObservationsIodine Observations Universal indicator Identification A B C D E Were there any powders that you had trouble identifying. If yes, explain which unknown you had difficulty with. Identify a mixture of powders that might be impossible to identify. Explain why you could not determine what this mixture was. Hint: Think about what you are looking for to identify each powder. When would you not see that?