why nitrile are least reactive of carboxylic acid derivative1 1269
what are the differences between assay procedures and estimation in chemical analysis? also what is the equivalent factor that we consider in assay analytical procedures?624
Distinguish b/w CH3CHO and CH3COCH3 on the basis of IR?1 1577
What is deference between the working standard and reference standard?1 763
Suppose we prepared pH buffer solution in lab.and calibrate against NIST solution, and same shall going to used upto 30 days. is it possible to stable pH and appearance? suggest?575
What is use of acetonitrile compare to methanol in RP-HPLC Method development?508
When we get Moisture content by KF higher than by LOD, what does this indicate?1 1014
Any one is alembic pharmaceutical ltd. On starting to job ?369
What is a proteic unit?
In order to avoid the pyridine catalyst use in many synthesis which is harmfull to environment, which catalyst can be used....?
how much time require for day to prepare the ongc exam for evarage student?
Can we consider in purity angel
what things are suitable for investigatory project?
we shall use Dichloromethane in last stage of API.
write short note on stero electronic factor, steric control factor and product control factor
Which form of Sucores is harmfull to humans ?
how do you make a amine sugar
What is the difference between the photochemical reaction and photo-dynamic reaction?
can you pls provide chemistry previous papers for the post of trainee chemist in ap genco
naphtha and hexane mixture can be used a fuel or not
Explain Thiele's structure for benzene. What is the difference between thiele's structure and modern structure (resonance hybrid) of benzene?
what is functionality of polymer? how can we get theoretical and practically?