water is made of?4 2633
I would like to know what is the equilibrium constant for the following reaction: 2CrO42- + 2H+ + 2H2O2 = CrO5 + 3 H2O If possible, a reference will be wellcome.1 1769
Why d-blo Ick elements are called outer while f-block elements called inner transition elements1 2454
What are the inorganic material eliminated in Sulphated Ash2059
Comosition of bell metal616
composition of brass624
composition of german silver1000
composition of stainless steel677
composition of gun metal731
Why we use DPPH in ESR and DPH in fluorescence spectroscopy?1032
How Many grams of solid iodine are produced by the decomposition of 25.4g of hydrogen iodine gas?
How a balanced equation can be used to find the mass or volume of an unknown quantity in a stoichiometry?
what is the significance of control of absorbance in UV?
What is hybridyzation ? How can i find that which type hybridyzation in perticular compound like in CH4(hy is sp3).
What are the inorganic material eliminated in Sulphated Ash
Why we use DPPH in ESR and DPH in fluorescence spectroscopy?
What modification is required for the atomic theory in order to explain the existence of isotopes, and modern view of atomic nuclei and electrons?
Why ammonia is used as buffer solution in estimation of copper by EDTA method
In pickling process of titatium with HCL . how to know if the acid is not effective after pickling several batch. is there any test to know it. (not practically)
why lead acetate s used in the Limit test of Arsenic? what role Lead Acetate plays????
Define:minerals and ores
what is meant if aluminium sulfate contains 30% basicity?
why is mgcl used in edta titration
Comosition of bell metal
composition of german silver