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how is the material extracted from concentrated ore?
Q. Define Enthalpy and Calculate the Enthalpy of a system? Ans. Enthalpy is a measure of the total energy content of a system. It is represented by a big H. Change in ent
Properties of Gases Gases are easily expandable ,compressible unlike solids and liquids. Gases are measurured in pressure.Pressure is defined as force exerted per unit area of
Q. Uses of Aluminium? Aluminium exhibits useful properties of low density, high thermal and electrical conductivity, and good corrosion resistance with non-toxic nature of the
Which one of the following compound is ionic: (1) KCl (2) CH 4 (3) Diamond (4) H 2 Ans: KCl
Aufbau principle is obeyed in which of the following electronic configurations: (1) 1s 2 2s 2 2p 6 (2) 1s 2 3p 6 3s 2 (3) 1s 2 3s 2 3p 6
Q. Composition of the nucleus Since the time of Rutherford, other scientists have learned a significant amount about the fundamental properties about the nucleus of an atom. In
Short note of synthesis of dry and bhc
Mention the major reason for the anomalous behaviour of lithium in Group of the periodic table. Why is the third ionization energy of manganese (At. No. =25) unexpectedly high?
The coordination number of Ni in the complex is 4, the configuration of Ni +2 , at first sight, shows that the complex is formed by sp 3 hybridization and it is paramagnetic an
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