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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 5513why 0.005 M sulphuric acid is used to calbrate spectrophotometer and why caffiene is used for calibrating hplc
2 22214What 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 15019When we calculate Impurity against impurity std.solution and when we calculate impurity against diluted standard with applying RRF?
2 11943What is discriminating media? How can u justify/select that which media (pH etc...)is suitable for your dissolution study of your compound?
5 28383
Define what is avogadro’s law?
what is partion and column chromatography
Why dissolution test is not performed in all of the products
What are the types of corrosion? : Electrochemistry Corrosion
Define alum?
USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...
How to fix the sample conc. in Related substances test by HPLC?
Why only hydroxy naphthol blue indicator is used for standardisation of 0.05M EDTA solution instead of solochrome Black T or Euriochrome Black T indicator which is used for all sample analysis with 0.05M EDTA solution?
What is Band broading effect explain
State beer’s law.
How to calculate coreletion coefficient
Why is Francium(Fr) so difficult to react with water?
What is specific conductivity?
For water content determination, if the material is insoluble in methnaol and ethylene glycol mono methyl ether, what other diluent can we use.
What is third generation HPLC Columns?
