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Q. Show General Characteristics of group16?
The valence shell electronic configuration of Group 16 elements is ns2, ns4. These elements tend to gain inert gas configuration by accepting two electrons and forming E2- anions (E=O. S, Se & Te) or by sharing two electrons in forming two covalent bonds.
defining titration,Redox Titrations
3p orbitals has how many nodes
In any atom which sub-shell will have the highest energy in the following : (1) 3p (2) 3d (3) 4s (4) 3s Ans: 3d
Q. Explain about Extraction of metals? Extraction of metals is very often done by complex formation. For example, the cyanide process for the extraction of silver and gold is w
tie line explain in with the help of phase rule
what are the uses of laws of chemical combination
Q. What are natural or synthetic food colours? Food in raw state has a natural colour, which is associated with the characteristics of that food. In the processing, preservatio
in castner kelnar process sodium metal extract at cathode and calcium also why they do not mix if they extract at same chamber?
Reaction of nickel cadmium storage cell charging #Minimum 100 words accepted#
Physical Properties of benzene (a) First property of Benzene is that it is a colourless, mobile and volatile liquid. Its boiling point is 80°C and freezing point is 5.5°C. It c
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