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Q. How to produce Nitrogen on Industrial Level? Ans. Nitrogen is produced by the fractional distillation of liquid air. Air is cooled to liquefy it. The liquid is then all
Importance of Chemistry in Life - Chemistry in Action Chemistry plays vital role in our regular life from the starting, it has been in the service of mankind. Our daily needs o
ACTINIUM AND THE ACTINIDES Following actinium (group 3) are the 14 components of the actinide series (represented by the symbol An) combined with progressive filling of the 5
1. Write an easy on the classification of Phylum Protozoa, a large phylum comprising approximately 50,000 species. (10marks)
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Uses of Urea or Carbamide - Carboxylic Acids (a) Urea is used mainly as a nitrogen fertilizer. It has 46.4% nitrogen. (b) Urea is used in the manufacture of formaldehyde-ure
If hydrogen atom is in an energy level represented by n=4,how many spectral lines are possible in its emission spectrum? Solution) There is a formula for this i.e [ (n 2 - n 1
The magnetic quantum number of valence electron of sodium (Na) is: (1) 3 (2) 2 (3) 1 (4) 0 Ans: 0
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