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list the advantage and disadvantage teaching methods in chemistry
Q. What is law of definite proportions? A given compound is forever composed of the same elements in the same proportion by mass. This fact is recognized as the law of definit
Illustrate with examples: (a) Lyophilic and Lyophobic sols (b) Multimolecular and Macromolecular colloids (c) Homogeneous and Heterogeneous catalysis.
Colloids are either positively charged or negatively charged. But What are the various factors responsible for charge on the colloidal sols?
Explain electrical conductivity and molar conductivity of a solution and write the units of molar conductivity
An excess of NaOH solution was added to 100 ml of a ferric chloride solution. This caused the precipitation of 1.425 gram of Fe(OH)3 . calculate the normality of ferric chloride so
Antioxidants: Antioxidants are the significant and essential food additives. These substances hold back the action of oxygen on the food and hence help in its preservation. Th
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what is cause of chemical combination?
what is the working principle of polarography
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