0.1 atom gram of the unknown element( X)reacts with 2.4 gram
of O2 to produce the oxid product . can you tell us, what is
the oxid formula ? a) XO b)X2O3 c)XO2 D) X2O4
201
can you pls provide chemistry previous papers for the post
of trainee chemist in ap genco
257
What 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.
In Karl Fischer titration,What is the situation if the
material tested is only soluble in water,and not soluble in
the common solvents used such as methanol ?? [e.g. Iron III
Hydroxide polymaltose]
225
4. Describe the operation of the Craig apparatus.
Chapter.3 Equilibrium Processes in Separations
120
In HPLC Chromatographic separation Resolution equation is
Rs = 1.18 (tR2 –tR1)/wh1+Wh2,
Where, tR2 and tR1 is run time of eluent ratios of the
distances from the point of application to the centers of
the spots and the distance travelled by the solvent front
from the point of application (retardation factor), and
Wh1and Wh2 , is peak width of at half height.
What is 1.18 ?
291
i want model written test paper for the post of analyst in
IOCL(indian oil corporation ltd) any one pls help me
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