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Chemical methods - Purification of organic compounds Besides these physical methods, few chemical methods have as well been utilized to separate a mixture of organic compounds.
x grams of calcium carbonate was completely burnt in air.the weight of solid residue formed is 28 g.what is the vlue of x in grams?
Q. Show the Properties of diborane? Diborane is a colourless gas (b. p., 183K). It is rapidly decomposed by water with the formation of H 3 B0 3 and H 2 : B 2 H, + 6H 2 0 -
Ninhydrin test- test of proteins Ninhydrin test : This test is specified by all proteins. While a protein is boiled along with a dilute solution of ninhydrin, a violet colour i
How can we prove the stability of a space colony having a shape of truncated icosahedron? Solution) Because the shape has a sci-fi look to it and it would be very strong structur
Shielding of proton by electrons
When Nacl is dissolved in water the sodium ion becomes: (1) Oxidized (2) Reduced (3) Hydrolysed (4) Hydr
what is electronic displacements?
aavart sarini ke liye koi trick hai kya?
Q. Quality of edible oils - fats? Various parameters are used for the assessment of the quality of fats and oils. Some of the important ones include determination of moisture c
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