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Q. What do you mean by Polymerisation Isomerism?
This term is used to describe compounds having same empirical formula but different molecular compositions. The difference from normal polymerisation is that here we have differences in arrangements of group as well as multiplication molecular weight.
Q. Show the properties of Aluminium Oxide ? Aluminium oxide, Al 2 0 3 is a highly ionic compound of aluminium. It is also known as alumina. As you have studied earlier, it occ
chemical & physical properties of p block elements
diagonal relationship of Be and Al
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The set of quantum numbers not applicable for an electron in an atom is: (1) n= 1, l=1, m 1 = 1, m s = +1/2 (2) n= 1, l=0, m 1 = 0, m s = +1/2 (3) n= 1, l=0 m
Which of the following statements is not correct for an electron that has the quantum numbers n=4 and m =2: (1) The electron may have the quantum number s= +1/2 (2) The e
Q. Show properties of the Borax? Salts of boric acids are known as borates. As said earlier, hydrated borates occur naturally, e.g., borax, Na 2 B 6 0 11 . 5H 2 0, kernite, Na
In a Bohr's model of atom when an electron jumps from n= 1 to n= 3 , how much energy will be emitted or absorbed: (1) 2.15 x10 -11 erg (2) 0.19
Q. What is the Electrometallurgy? The above two metallurgical processes, namely pyrometallurgy and hydrometallurgy can be used in the extraction of a fairly large number of met
The co-ordination compounds are of great importance. These compounds constitute the minerals, plants and are also present in animals. These play important functions. For example, c
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