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Organic Chemistry (342) - Inorganic Chemistry (123)
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If benzene and tolune both can be mixed... what is the boiling point for the mixture and its density...?
2 5543why 0.005 M sulphuric acid is used to calbrate spectrophotometer and why caffiene is used for calibrating hplc
2 22227What is positive testing in relation to chemistry? For example, the sentence reads "Sample solutions are solutions known to contain one of each of the following ions, silver ion, Ag+(aq), barium ion, Ba2+(aq), and iron (III) ion, Fe3+(aq). Testing solutions are the solutions containing a polyatomic ion that can react with one of the metal ions to give a positive test." I am then asked to define what a "positive test" is. I am currently a student who is pretty new to chemistry, please try and make your answer as simply as possible. Thanks for the help.
UST,
2 15038When we calculate Impurity against impurity std.solution and when we calculate impurity against diluted standard with applying RRF?
2 11968What is discriminating media? How can u justify/select that which media (pH etc...)is suitable for your dissolution study of your compound?
5 28440
What is the process for the removal of salts from brackish water or seawater to make it usable?
How to determine the EDTA content by potentiometry titration in Ceftriaxine sodium
which question ask me in grasim in inerview?
What kinds of structural changes accompany bond-breaking and bond-forming in olefin polymerization? : Polymer Chemistry
is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth
1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.
Is napthalene aromatic?
how do you make a amine sugar
How to fix the sample conc. in Related substances test by HPLC?
Why USP put two methods for tapped density? When I should use each one?
What is the prime constituents of cement?
Why ammonia is used as buffer solution in estimation of copper by EDTA method
What is the bluish white precipitate formed after adding ammonia solution?
Tell me something about Vitamin A test method by HPLC
How is the measurement of ph made?
