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Raising heavy weights by water pressure Get a rubber hot-water bottle. Put a one- hole stopper carrying a short glass tube tightly in the neck. Punch a hole in the bottom of a
50ml of 0.1M NH 4 OH ,25ml NH 4 Cl weere used to make a buffer . what is the PH is if Pk b is 4.8? Solution) The given buffer is a base buffer [NH4OH] =[(50*0.1)/75] [NH4Cl] =[(
For a given value of quantum number l , the number of allowed values of is given by: (1) l+2 (2) 2l+2 (3) 2l+ 1 (4)
Removing of permanent hardness from water
Ether formation - Hydrocarbon Phenol reacts along with alkyl halides in alkali solution to make phenyl ethers (Williamson's synthesis). The phenoxide atom is a nucleophile and
WHAT CAUSES WIND
Q. Show the Relationship between matter and energy? Ans. Albert Einstein described an intricate relationship between matter and energy. It is summarized in the famous for
what are grignard reagants ? how are tthey prepared is laboratory ? what makes them so important in synthetic chemistry?
If molecular mass and atomic mass of sulphur are 256 and 32 respectively, its atomicity is: (1) 2 (2) 8 (3 )4 ( 4)16 Ans: 8
write summarized report on s block elements characteristics and properties
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