why PH scale range is 14? why it is not less or not greater
than 14? solution of HCl or hydrogen containing liquid has
a PH. but if the solution is KMnO4 here not hydrogen power
does it PH? explain plz....
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
Why is Francium(Fr) so difficult to react with water?
42
What is a repartition coefficient?
149
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
28
What modification is required for the atomic theory in
order to explain the existence of isotopes, and modern view
of atomic nuclei and electrons?
180
k.f principle in finding out moisture content
21
The use of vermilion on rubric of the Tartar Relation is
confirmed by the presence of three lines attributed to HgS.
Why should this diatomic have more than one vibrational
line?
302
What is Potential Impurities?
86
Sir, please give me previous year question paper for RRB
for the post CHEMICAL AND METALLOGICAL ASSISTANT.
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