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Fine grain sizes are obtained by slow cooling
Two element have electronegativity of 1.2 and 3.0. Bond formed between them would be: (1) Ionic (2) Polar covalent ( 3) Co-ordinate (4) Metallic A ns: Ionic
Why is the total energy of a many-electron atom not equivalent to the sum of the orbital energies for every electron?
What r the requirements for a good refractory material
The bond energy of an O- H bond is 109 kcal mol 1. When a mole of water is formed from H and O atoms, then 218 kcal is released. Two O-H bonds are there is H2O so 2*109 kcal an
Determine about the Antiferromagnetic materials Antiferromagnetic materials are materials in which almost all magnetic dipoles are linked up antiparallel to each other. Its sus
Q. Explain heat according to kinetic theory of matter? Ans. On an atomic level the definitions of heat and temperature becomes more precise. According to the kinetic theory of
We are asked to design a qualitative analysis scheme that can be used to determine which cations are present in a solution containing only four of the following cations: Pb2+, Ag+,
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