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Amines are soluble in organic solvents whereas ammonium salts are not. Is it true? Ans) yes because amine is contain R-NH2 group where R is carbon groups so they are in polar nat
classification of lubricants
atomic volume
What is hydrometallurgy
Q.Illustrate the Basic structure of polymers? Ans. Polymers are large organic compounds made of regularly repeating units. Plastics are made of polymers. Polymers ar
Q. Illustrate important catalyst of aluminium? Anhydrous AlCl 3 is an important catalyst, used in organic synthesis and in the cracking of petroleum. Al 2 (S0 4 ) 3 as such o
Types of spectrometers: The two types of spectrometers for ICP-AES are: sequential spectrometers and simultaneous spectrometers. Those have the capabilities of measuring the v
Number of unpaired electrons in inert gas is: (1) Zero (2) 8 (3) 4 (4) 18 Ans: Zero
Preparation of alkane
Which of the following sets of quantum numbers is not allowed : (1) n=1, l=0,m=0 s= +1/2 (2) n=1, l=1,m=0 s= -1/2 (3) n=2, l=1,m=1 s= +1/2
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