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As part of good experimental design, what are some other potential variables that we held constant among all four initial tubes? List at least four.

As part of good experimental design, what are some other potential variables that we held constant among all four initial tubes? List at least four.

Curren'S Math For Meds: Dosages & Sol
Curren'S Math For Meds: Dosages & Sol
11th Edition
ISBN:9781305143531
Author:CURREN
Publisher:CURREN
Chapter10: Reconstitution Of Powdered Drugs
Section: Chapter Questions
Problem 7.2P
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As part of good experimental design, what are some other potential variables that we held constant among all four initial tubes? List at least four. 
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I We wi now Use tubes 1A-4A O teel each solutton for the presence of gr We wi be using Benedic's test for the presence of sugar. For this hest, you munt add the solution and then heat the mixture for several wnutes . Add 2.5 ml of Benedict's reagent to each test tube 1A-4A. b. Place each test tube in the hot block and allow them to heat for 15-20 minutes. Be careful around the hot block. C. Remove the tubes carefully using the test tube clamps provided. d. Determine the amount of sugar present in each tube using the following scale: blue - (negative result; no sugar present) green yellow ++ orange +++ red ++++ (most sugar) e. Record your results in the table. 4. You may now dispose of the solutions in the sink. Wash all your test tubes and wipe off the wax pencil markings. Data Table Tube Contents Test for Starch Test for Sugar weter 8starch 1 Blue amy lase/stardhlorohge amyiase/stareh/ HAycralic acıd 4 amylase gen Scanned with CamScanner
Transcribed Image Text:I We wi now Use tubes 1A-4A O teel each solutton for the presence of gr We wi be using Benedic's test for the presence of sugar. For this hest, you munt add the solution and then heat the mixture for several wnutes . Add 2.5 ml of Benedict's reagent to each test tube 1A-4A. b. Place each test tube in the hot block and allow them to heat for 15-20 minutes. Be careful around the hot block. C. Remove the tubes carefully using the test tube clamps provided. d. Determine the amount of sugar present in each tube using the following scale: blue - (negative result; no sugar present) green yellow ++ orange +++ red ++++ (most sugar) e. Record your results in the table. 4. You may now dispose of the solutions in the sink. Wash all your test tubes and wipe off the wax pencil markings. Data Table Tube Contents Test for Starch Test for Sugar weter 8starch 1 Blue amy lase/stardhlorohge amyiase/stareh/ HAycralic acıd 4 amylase gen Scanned with CamScanner
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