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In the industrial production of sulphuric acid, SO 3 is carefully reacted with water: SO 3 + H 2 O → H 2 SO 4 any excess SO 3 giving rise to what is called oleum, a solut
Q. Show Anomalous Behaviour of Oxygen? Oxygen differs considerably from the rest of the family members. Small size, very high electronegativity and non-availability of d-orbita
Describe discovery of sub atomic particles
advantages and dis advantages?
The ionization energy of hydrogen atom is -13.6eV. The energy required to excite the electron in a hydrogen atom from the ground state to the first excited state is (Avogadro's co
Q. What is conclusion in the experiment? A conclusion is a judgment based on the data acquired in the experiment. If data support a hypothesis then the hypothesis is tentativ
The transition metal complexes are known to be paramagnetic in character. CFT helps us to understand the magnetic properties in terms of magnetic susceptibility measurements. The m
When an electron jumps from lower to higher orbit, its energy : (1) Increases (2) Decreases (3) Remains the same (4) None of these Ans: Increases
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
Calculate the combustion energies for the burning of 1 mol of propane and butane. It can be supposed that all reactants and products are obtained under standard conditions.
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