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The energy that opposes dissolution of a solvent is: (1) Hydration energy (2) Lattice energy (3) Internal energy (4) Bond energy Ans: B
Q. Isolation and purification of metals? metals as a group of elements have acquired a unique importance in the modern world. However, nature' does not generally offer us metal
molecular chlorine and molecular fluorine combine to form a gaseous product.Under the same conditions of temperature and pressure it is found that one volume of Cl2 reacts with thr
Nature of metal carbon bond
A sample of water collected in the field had a pH of 6.8. By the time it was analyzed in the lab, the pH had decreased to 6.0. Give a possible explanation.
The correct ground state electronic configuration of chromium atom is: (1) [Ar] 3d 5 4s 1 (2)[Ar]3d 4 4s 2 (3) [AR]3d 6 4s 0 (4
What is bayer''s sttains theory
Certain basic properties of lakes and oceans are important to understanding how they "work". One of these is the density of the water, and its changes. Dense (or heavier) water wan
Preparation of saturated calomel electrode and determination of standard potentials of electrodes such as Cu 1 Cu, Zn 1 Zn, etc. Comparison of the potential values with values from
Since flourine is very electronegative as a result hydrogen makes a very positive character.as a result the H-bonding is very strong because of large difference in electronegativit
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