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Define seliwanoff's Test or Resorcinol Hydrochloric Acid Reaction?
seliwanoff's test is specific test for ketonic groups and therefore is positive for ketose sugars like fructose and sucrose.
Principle
Ketoses on treatment with hydrochloric acid form 5 hydroxy methyl furfural, which on condensation with resorcinol give a wine or cherry red colour. Sucrose gets converted to glucose and fructose in the presence of HCl and also gives this test.
Explain Dough Formation Gluten is the protein found in wheat. A unique property of gluten proteins of wheat grain endosperm (and to a lesser extent of rye and barley g
The pH of a solution of 1 M HCl is: Select one: a. 0 b. 0.1 c. 1 d. 10 e. negative 1
COMBINE D EFFECTS OF DRUGS AND ALCOHOL - 1. Alcohol + Barbiturates → may lead to death . 2. Alcohol + Antihistamines → Drowsiness 3. Alcohol + Valium
Q What are the few representatives of the phylum Mollusca? Octopuses, Snails, oysters and squids are examples of molluscs. Q. In which habitats do molluscs live? Mollus
Evaluate how best to achieve the goal of fostering the integration of biology, statistics, and mathematics. What impediments stand in the way of progress? What is the best way to
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respiration & its types
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A dihybrid cross yields 320 F2 offspring. How many are expected to resemble the homozygous recessive parental?
Explain Surface properties of proteins The surface properties relates primarily to surface tension, a) Emulsification and b) Foaming characteristics of proteins,
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