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Q. Explain about Bohr atomic model? Bohr anticipated that hydrogen's single electron could orbit at only specific distances from the atom's nucleus. When the electron is in the
x grams of calcium carbonate was completely burnt in air.the weight of solid residue formed is 28 g.what is the vlue of x in grams?
Q. Define the Normality of solutions? Ans. Sometime normality is used to measure concentration. Normality (abbreviated N) is the number of gram-equivalent masses of solute in 1
Explain meso stereoisomer a) For a molecule to have a meso stereoisomer, it must have more than single asymmetric atom, and it must be divisible into constitutionally identical
writethe sort farmula of learn the pariodik table.
Element is strongly electropositive and Y is strongly electronegative. Both element are univalent, the compounds formed from their combination will be: (1) X + Y -
how many grams of salt must be added to 500 gram of water in preparation of 12% saline solution
which is the main postulate of bohr''s model of atom
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Q. Taste interactions affecting taste quality? Taste interactions- Foods contain a mixture of substances which elicit all four sensations. Modification of one sensation takes p
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