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absorption
Q. Illustrate Chemical nomenclature? Ans. Chemical nomenclature is the system of names that chemists use to identify compounds precisely. The systematic method of naming c
the density of a gas ''A'' is twice that of gas ''B'' at same temperature.The molecular mass of ''B'' is thrice that of ''A'' .the ratio of the pressures acting on A andB
What are the general methods for preparation of cycloalkane
Usually we grudgingly accept that syntheses involving activated EAS reactions will unavoidably yield both ortho and para isomers, and this inefficiency is acceptable in exam and ho
How vilsmeier haack reaction occur
CARBON, SILICON AND GERMANIUM With the valence electron configuration s 2 p 2 the nonmetallic group of elements 14 may form compounds with four tetrahedrally directed covalent
Preservatives: The preservatives avoid spoilage of food because of microbial expansion. The most common preservative employed is sodium benzoate; C 6 H 5 COON a It is metabol
The maximum number of electrons accommodated in 5f orbitals are: (1) 5 (2) 10 (3) 14 (4) 18 Ans: 14
In naturally occuring neon, the fracional abundance of various isotopes is as follows: 20Ne =0.9051; 21Ne = 0.0027; 22Ne = 0.0922. What is the atomic mass of neon?
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