Date Section tastructor Name Team REPORT SHEET LAB Properties of Solutions 10 A.
ID: 559553 • Letter: D
Question
Date Section tastructor Name Team REPORT SHEET LAB Properties of Solutions 10 A. Identification Tests Test Observations for Positive Test CI" Test Starch Test Glucose Test B. Osmosis and Dialysis 1. Testing for CI, starch, and glucose Time CI Test CI present? 30 min Contents of Dialysis Bag 0 min Starch Test Observations Starch present? Glucose Test Glucose present? Questions and Problems Q1 Which substancets) were found in the water outside the dialysis bag? 02 How did those substance(s) get into the water outside the dialysis bag? Copyright © 2014 Pearson Education, Inc.Explanation / Answer
A. Identification test:
Chloride Test:
When Silver nitrate solution is added,then white ppt. of silver chloride is precipitated out.
Starch Test:
Iodine solution(brown in color) is added to it, then it turns into blue-black color.
Glucose test:
Iodine solution(brown in color) is added to it, then the color remains same.
Addition of water then it dissolves.
Upon addition of benedicts solution, blue color changes to yellow-orange color.
Questions and problems:
1. Sugar was found in water outside the dialysis bag.
2. Sugar is soluble in water. That's why it got into the water outside the dialysis bag.
3. Starch was retained in water inside the dialysis bag. As starch is insoluble in water.
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.