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methods for metallurgy
need an idea for chemistry project
Which of the following sequence is correct as per Aufbau principle: (1) 3s (2) 1s (3) 2s (4) 2s Ans: 1s
Q. why is sodium aluminates is a better coagulates then ferrous sulphates or alum? Ans. Sodium aluminates (NaAlO 2 ): It is better coagulant than FeSO 4 and alum because i
Define Degrees of freedom - phase rule and phase diagrams? Consider a system in an equilibrium state. In this state, the system has one or more phases; each phase contains one
tie line explain in with the help of phase rule
Electrovalent compounds are: (1) Good conductor of electricity (2) Polar in nature (3) Low M.P. and low B.P. (4) Easily available Ans: Polar in nature
How much time a hydrogen electron will take when it goes from first orbit to second orbit?
Applications of hybridisation - Size of the hybrid orbitals As s- orbitals are closer to the nucleus than p- orbitals, it is reasonable to suppose that greater the s character
Q. Illustrate Born-Haber cycle? Boron is always covalent and does not form,B 3+ ions, because' the energy required to remove three electrons is very high. Many simple compo
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