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state the purification processes commonly used by organic chemists to separate different components from a mixture
Mixed melting point - Criteria of purity of organic compound The melting point of two carefully mixed substances is known as mixed melting point. This can as well be used for
Q. Show the Multiple covalent bonds between electron pairs? Ans. Two atoms may share one electron pair, two electron pairs or three electron pairs. The bonds formed in th
The definition and detailed notes about inductomeric effects
find H^+ concentration if Ph=4.90
biography on Cecil E Boord
Hydrogen Peroxide Hydrogen peroxide is the other important hydride of oxygen. The oldest method of its preparation is by the action of dilute sulphuric acid on barium peroxide
Aufbau principle is not satisfied by: (1) Cr and Cl (2) Cu and Ag (3) Cr and Mg (4) Cu and Na Ans: Cu and Ag
variation of cnductivigy with temperature
first two groups are metal but why hydrogen is placed in first group
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