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Criteria of purity of organic compounds The purity of an organic compound can be determined by ascertaining its some physical constants such as m.p., b.p., defined gravity, re
The nitride ion in lithium nitride is composed of: (1) 7 protons + 10 electrons (2) 10 protons + 10 electrons (3) 7 protons + 7 protons (4) 10 protons + 7 electr
Q. Detect the presence for sesame oil and linseed oil? To detect the presence for sesame oil, linseed oil, argemone oil, mineral oil and hydrocyanic acid. After undertaking
What is Standard deviation? Standard deviation tells about the widely spread out of the measured analytical data points. Highly precised measurements are less standard deviation.
atoms combine to form molecule because they tend to
Impurities of solids Impurities are frequently added to materials to improve the properties. For example, carbon added in small amounts to iron makes steel, which is stronger t
Consider 1:1 stoichiometric polymerisation of 1, 4-diaminobutane with sebacoyl chloride. (a) Write down a balanced chemical equation for the polymerization (b) Name the polym
Q. What is softening of water? Describe deionization method of water softening with diagram. Ans. Softening of water: The process of removing the hardness causing salts from
Q. Show the Isolation of Important Transition Metals? Involved in the extraction of metals. Describe the extraction of important transition metals of the first transition serie
Physical properties of alkyl halides (1) Physical state: Methoxy methane and methoxy ethane are gases whereas other members are volatile liquid along with pleasant smell.
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