why nitrile are least reactive of carboxylic acid derivative1 1500
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?780
Distinguish b/w CH3CHO and CH3COCH3 on the basis of IR?1 2149
What is deference between the working standard and reference standard?1 972
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?708
What is use of acetonitrile compare to methanol in RP-HPLC Method development?696
When we get Moisture content by KF higher than by LOD, what does this indicate?1 1291
Any one is alembic pharmaceutical ltd. On starting to job ?528
Can we consider in purity angel
What is the accepted microbial load in APIs as per USP.........?
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Why do we use vaccum in Loss on drying test?
Barc in chemistry
How hydrate is forming along with API?
how to prepare for the exam of ongc please give some idea
discuss the diffrent types of chromatography and their uses. In not more than 10 papers oc not less than 8 papers
Explain Thiele's structure for benzene. What is the difference between thiele's structure and modern structure (resonance hybrid) of benzene?
How do you explain the different solvent power of water and other organic solvent?
In order to avoid the pyridine catalyst use in many synthesis which is harmfull to environment, which catalyst can be used....?
which question ask me in grasim in inerview?
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?
chlorination of methane is possible and a mixture of products are obtained. Is flourination and Bromination of methane is possible?