Cards in this guide (15)
How do they give alcohol test
by breathing into an alcohol testing unit or blood analysis
What amino acids are found in nitroprusside test
cystine,cysteine,methionin
What is the positive result for sakaguchi test
A red color is the positive result>
What are the principles involved in xanthoproteic test
it is for the identification of aromatic amino acids
Will tyrosine test positive in Hopkins-Cole test
Yes, it is possible (color test).
What is the purpose of Trichloroacetic acid in DNA extraction
Trichloroacetic acid is used for precipitation of the DNA during
its extraction.
What is the valency of plumbate
What is alcohol test
Alcohol test ( proof ) is the percent of alcohol in drinks.
Predict whether the changes in enthalpy entropy and free energy will be positive or negative for the freezing of water and explain your predictions How does temperature affect the spontaneity
Enthalpy- positive
Entropy- decreasing
Free energy- negative
What is the name of the amino acid responsible for Hopkins-cole reaction test what is the formula of this amino acid
What is foulger's reagent
40g urea+ 80ml of 40%H2SO4! add 2g stannous chloride, heat
untill solution is clear and make the volume upto 100ml. it is
called foulger's reagent!
How would you distinguish between zinc nitrate and calcium nitrate
dissolve both in water and add sulfuric acid to both. in calcium
nitrate solution you should expect calcium sulfate as
precipitation.
Which one of these starch fat protein and sugar will be a positive result for a bar
What is guanidine salt
Guanidine is a base. The chemical formula is HNC(NH2)2.
What is the color produced at the point of contact of the two liquids in Hopkins-Cole reaction