Chemistry Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

why using Potentometry What Purpose? differance between manual and potentiometry? why using Some of materials in usig potentiometry? What is use of mericuric acetate in Potentiometry

Biocon,

1 5825

iam using ph instrument lab india make.3ponit and 5point.in calibration time 3point slope will come 98.89and 96.87.that limit is 85 to 105.what basis slope will come.any calucalation between them.5point wiicome slope 99.89?why 3p0int came 2 values

1 5513

iam usig ph buffers merk. manually how to prepare ?

2331

Sulphated Ash incresed it will effect on product yield?

Biocon, Lupin,

3 6087

in loss on drying Why follows on constant weight not more than 0.5 mg, any region

Biocon,

1 14714

difference between selectivity and specificity

Troikaa Pharmaceuticals,

2 13317

What is Displacement Reaction .

2 4823

when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.

ABC,

2105

differnc btw c18 and c-8 column

Cipla,

3 13496

use of stry light

1 7622

Un-Answered Questions { Chemistry }

What is importance of pH in the Heavy metal test and How it effect on the test results?

2341

cefoperozone and sulbactam inj. hplc test method

2748

hi i got i 20 from sacred heart university u.s.a.i got good tofel score and my gre is score is very poor.my university requirement is only tofel.i completed my b.pharmacy in 2009 so i got 1 year gap is their chances to reject visa?what i have to do i was very tensed.how to sought out my problem

2494

how you start RS method development when for new product?

780

what is the disso medium for tropsiun chloride

2316

How do we fix the sample concentaryion in hplc method development. What is the basis?

1254

Suppose u have combipack product and u get 2 or more peaks which are other than there placebo then what we can do

2374

pharma industries oriented

2303

how much mass should be there in volumetric flask while in preparation of sample for assay?

2676

What is the difference between chromatographic purity and related substances?

1471

what is functionality of polymer? how can we get theoretical and practically?

2575

What is the use of tlc and hplc? And when and where use?

1217

Explain how buffer works?

1167

explain sour gas?

1116

how decide the clining method and cleaning method validation require for this perticular products?

822

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