Is this FLVS?
this is k12
what grade are you in
I id one of these yesterday except it was for Math not science
I cant do this im in 7th
you have to fill up the table first with the results from your experiments Indicator: Iodine Indicator: Copper Sulfate and Sodium hydroxide Indicator Sudan III Starch Albumin Vegetable oil Unknown Milk according if the tests are positive or negative they will indicate you have or not sugars (Iodine Indicator) proteins (Copper Sulfate and Sodium hydroxide) or lipids (fats) (Sudan III)
2. What was the role of the water test tube in each phase? I guess is your negative control
Activity 2: Chemical Indicators (Online) Instructions Answer the questions as you work through the online activity. Iodine is a chemical indicator for starch. Describe the interaction between iodine and starch. What does a positive result look like? Sudan III is a chemical indicator for lipids. What type of compound is Sudan III? What does a positive result look like? The Biuret reaction is an indicator for proteins. What ion causes the color change in the Biuret reaction? What other type of compound is necessary for the reaction to work? What does a positive result look like? © 2010 K12 Inc. All rights reserved. Copying or distributing without K12's written permission is prohibited. Page 2 of 3