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The energy of electron in hydrogen atom in its grounds state is -13.6 eV. The energy of the level corresponding to the quantum number equal to 5 is: (1) -0.54 eV (2)
Acid-base titrations - Types of titrations While the strength of an acid is determined along with the help of a standard solution of base, it is termed as acidimetry. Similarly
the application of intervase
what are ions
Uses of glycol
what is redox titration
Explain cesium fluoride Compound (2), cesium fluoride, would be most likely to exist as an ionic species, due to Cs and F come from opposite corners of the periodic table.
The laboratory production of sulphuric acid involves the catalysed oxidation of sulphur in oxygen, followed by the separation of the resulting sulphur trioxide (SO 3 ) from sulphur
The nucleus of an element contains 9 protons. Its valency would be : (1) 1 (2) 3 (3) 2 (4) 5 Ans: 1
laws of chemical combinations
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