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Describe a method that could be used to separate the components of the following a) Sand and iron filings b) Sawdust and lead pellets c) Salt and glass particles d) Silt (water and fine soil particles) e) Alcohol and water 2. Dissolve a tablespoon of sugar in a saucepan containing about 3 cm of water. Put at least 6 ice cubes in another clean and dry saucepan. Heat the first saucepan, and when the water comes to a rolling boil, hold the second saucepan tilted over the escaping water vapour, after having placed a third container (preferably a glass) underneath it, as shown in the diagram. Do this until a few drops of liquid are deposited in the glass. a) Note everything you observe during the heating process. b) Taste the liquid that has been deposited in the glass and note your observations. c) What do you call the process you?ve just observed? d) Explain what happened during the process.
Molisch's Test - Test on Glucose This is a common test for carbohydrates. Three or Two drops of alcoholic solvent of α-naphthol are involved to 2mL of glucose solution. 1 mL of
Uses of Perfluorocarbons Perfluorocarbons are good electrical insulators. These have several important uses like: (a) Perfluorocarbons are used as surface coatings, lubrican
Q. Example on Crystal field splitting in octahedral complexes? Here four ligands lie in one plane and the other two in a plane perpendicular to the first plane. Six ligands are
what is the concentration of ammonium sulphate solution and how it is prepared?
Determination of Molecular Mass - Victor Meyer method Molecular mass of volatile liquids and solids that can be easily ascertained from the application of Avogadro hypothesis a
Boiling point - physical charterstics of monocarboxylic acid Boiling point of carboxylic acids is rise constantly with increase of molecular mass. Boiling points of carboxylic
d orbital
The radius of electron in the first excited state of hydrogen atom is: (1) a 0 (2) 4a 0 (3) 2a 0 (4) 8a o
use of ammonium chloride in 3 group of basic radicals
Problem 1: What do you meant by Gas Chromatography? Show the quantitative applications of gas chromatography. Definition of Gas Chromatography Briefly explain about Q
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