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chemistry project on p block elements
An open test tube at 293 K is filled at the bottom with 24.2 cm of Hg, and 11.2 cm of water is placed above the Hg. Calculate the pressure at the bottom of the test tube if the at
why didnt all the noble metals get rust even they have high electrode potentials? Ans) for e.g if you look at gold it is highly reactive with greater negativity of gibbs free ener
in borontriiodide distance between two I atoms is found to be 3.54. if radius of covalent bonded I atom is 1.33. what is covalent radius of boron
estimate concentration of hcl
Aluminium metal is frequently used as a reducing agent for the extraction of metals such as chromium, manganese etc. Explain why? Ans) Aluminium is an highly electropositive metal
Q. Colloidal systems in foods? A colloidal system is a heterogeneous system. The material that forms the base of the system is called the dispersion medium or the continuous ph
how can the melting point be used to determine the purity of organic compounds
Uses of phosphoric acid
why must the mass relative of atom refer to atomic mass of C
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