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Q. Name the Oxide Minerals? These minerals consist of oxides of metals, which are formed either by oxidation of sulphide minerals or by direct oxidation of metals. Highly elect
A solution contains an unknown amount of osmium at the µg/g level, or below. Chemically pure osmium (Os) may be separated from the solution, but the chemical yields are variable an
equilibrium
Q. What do you mean by Permissible level ? To regulate and enforce safety about the use of these synthetic colours and dyes PFA, 1954 has covered their use in part IV comprisin
Q. What do you mean by Rounding off numbers? Rounding off numbers while you report a calculation your answer should have no more significant figures than the piece of data yo
Draw a figure to show splitting of degenerate d orbitals in an octahedral crystal field. How does the magnitude of decide the real configuration old orbitals in a difficult enti
The electronic configuration (outermost) of Mn +2 ion (atomic number of Mn= 25 ) in its ground state is: (1) 3d 5 , 4s o (2) 3d 4 , 4s 1 (3
Copper crystallizes into a FCC structure and the unit cell has length of edge 3.61 x10-8 cm. Calculate the density of copper if the molar mass of Cu is 63.5 g
From personal experience, describe whether these processes are endothermic or exothermic. Give a reason for each. a . A charcoal briquette burns. b . Ice me
Q. How to calculate atomic mass of an element? Copper survive as a mixture of two isotopes. The lighter isotope (Cu-63) amid 29 protons and 34 neutrons makes up 69.17% of coppe
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