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lithium and beryllium markedly differ from other members of their respective groups.
Uses of Acetic Acid - Carboxylic acids (a) Acetic Acid is used as a solvent and a laboratory reagent. (b) Acetic Acid is used as vinegar for table purpose and for manufactur
Q. Objective of elements of group 16? You should be able to: • describe the occurrence, extraction and uses of the elements of Group 16, • describe the allotropic forms o
The first use of quantum theory to explain the structure of atom was made by: (1) Heisenberg (2 )Bohr (3) Planck (4) Einstein Ans: Bohr
why phosphene acts as ligand?
The atomic weight is the weight of an atom of a chemical element. For instance, the atomic weight of oxygen is 15.9994 and the atomic weight of hydrogen is 1.0079. Write a script
what is oxidation state?
Pennies made after 1982 are made of 97.5% zinc and 2.5% copper instead of 95% copper and 5% zinc. Pree 1982 pennies weighed 3.10g. The penny contained 2.95g of zinc and 0.15g of co
#sulphuric acid can be made with concentration of 99%.however for diferent industrial requirement ,62% h2so4 is used which has density of 1.55 g/ml.calculate the molarity,molality
Q. Explain about Optical Isomerism? Optical Isomerism: -Two isomers which have almost identical physical and chemical properties like mp. B p. density. Colour etc.. But diffe
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