Given the following results from qualitative tests performed on a sample, answer the succeeding True-or-False questions. Test Observation(s) Molisch Purple ring in the interface was observed after several seconds Benedict's Orange solution with brick red precipitate settled on the bottom of the tube Yellow crystals were observed after ~11 minutes; inspection under a light microscope showed starfish-like structures with distinct ball-shaped features and spikes Some crystals were obtained for determination of melting point which gave a value of 194.5°C. Osazone
Given the following results from qualitative tests performed on a sample, answer the succeeding True-or-False questions. Test Observation(s) Molisch Purple ring in the interface was observed after several seconds Benedict's Orange solution with brick red precipitate settled on the bottom of the tube Yellow crystals were observed after ~11 minutes; inspection under a light microscope showed starfish-like structures with distinct ball-shaped features and spikes Some crystals were obtained for determination of melting point which gave a value of 194.5°C. Osazone
Biomedical Instrumentation Systems
1st Edition
ISBN:9781133478294
Author:Chatterjee
Publisher:Chatterjee
Chapter15: Instrumentation In Medical Imaging
Section: Chapter Questions
Problem 7P
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![Given the following results from qualitative tests performed on a sample, answer the succeeding True-or-False questions.
Test
Observation(s)
Molisch
Purple ring in the interface was observed after several seconds
Benedict's
Orange solution with brick red precipitate settled on the bottom of the tube
Yellow crystals were observed after ~11 minutes; inspection under a light microscope
showed starfish-like structures with distinct ball-shaped features and spikes
Some crystals were obtained for determination of melting point which gave a value of
Osazone
194.5°C.
Statement
True or False?
[ Select ]
a. The sample is a carbohydrate.
b. The sample is a disaccharide.
[ [ Select]
c. The sample has a reducing end.
[ [ Select]
[ Select ]
d. The brick red precipitate is copper (II).
e. The yellow crystals are due to the reaction of the sample
with phenylhydrazine.
[ [Select ]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4880a240-3798-4f8c-8491-14752d641c4a%2Ffc7ccca0-9f29-439a-a734-aa19bfaae7b1%2Fg3h67r_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Given the following results from qualitative tests performed on a sample, answer the succeeding True-or-False questions.
Test
Observation(s)
Molisch
Purple ring in the interface was observed after several seconds
Benedict's
Orange solution with brick red precipitate settled on the bottom of the tube
Yellow crystals were observed after ~11 minutes; inspection under a light microscope
showed starfish-like structures with distinct ball-shaped features and spikes
Some crystals were obtained for determination of melting point which gave a value of
Osazone
194.5°C.
Statement
True or False?
[ Select ]
a. The sample is a carbohydrate.
b. The sample is a disaccharide.
[ [ Select]
c. The sample has a reducing end.
[ [ Select]
[ Select ]
d. The brick red precipitate is copper (II).
e. The yellow crystals are due to the reaction of the sample
with phenylhydrazine.
[ [Select ]
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