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Chemistry Interview Questions
Questions Answers Views Company eMail

Ph meter can show more than 14 ph reading? Why ph range in between 1 to 14 only?

 34

How to set specification of assay, fisdolution and related substances?

 33

how to qualify the impurity?

 26

what is the acceptance criteria for enteric coated tablets in 0.1n hcl validation in each parameter?

 57

What is the formula for relative diffrence for standard solution in solution stability in validation?

 37

How require to perform linearity as per ANVISA? What are the acceptance criteria?

 40

[3/30, 13:29] Manoj P Venkatpurwar: How hplc column selection according to structure? How mobile phase buffer selection on molecule structure?

 32

in api coa analytical method given as Ph Europe which api used in formulation in this api coa method given Ph Europe so for Analytical methic for finished product we require to refer Ph Europe monograph ok n.a.? So any extra impurities which is given in USP monograph of api or finished product need not require to monitor on above case n.a.? but how require to do specificity?

 13

in DMF having extra impurities and in api COA also having extra imp than USP or BP product then how require to proceed?

 33

we can use expired sample for validation and analyst qualification?

 28

If vendor having more imp than monograph then how to proceed? and how to set spec?

 21

If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately

 27

how require to set assay concentration for standard and sample?

 30

What is dose dumping? why require to do?

 26

Please give idea about method development for cleaning method and how maco level establish

 36






Un-Answered Questions { Chemistry }

for inorganic molecules require to do RS, Assay and disso?

17

How to find peaks in ftir chromatography

746

However ozone is heavier than oxygen still ozone is up there in sky why?

332

Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?

1464

Is napthalene aromatic?

417




What is the Formula for coreletion coefficient in plhplc calibration

865

Name the three elements which are forms carbohydrates?

348

What can you contribute to the company?

2007

composition of stainless steel

1182

what is mean by peak intigrity?

25

What is dose dumping? why require to do?

26

USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...

1204

Can we consider in purity angel

1084

what is procedure of actual procedure for registration of drug?

1198

Which organic compound is used as a fuel in jet air crafts?

490

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