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

General Chemistry (478)
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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?

713

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

846

how to qualify the impurity?

808

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

861

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

762

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

1290

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

724

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?

556

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

791

we can use expired sample for validation and analyst qualification?

773

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

878

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

822

how require to set assay concentration for standard and sample?

884

What is dose dumping? why require to do?

896

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

711

Un-Answered Questions { Chemistry }

how require to interprit the method precision data of hptlc?

786

How to set analyticl specification for combination products?

698

What is dextro-rotatory and levo-rotatory?

1149

What is the principle involved in conductometric titration?

1111

What is specific conductivity?

1046

Why we check moisture,ash & AIA in product

1844

In the calculation of calorific value of any fuel why the latent heat of vap. of water is taken as 587 kj/mol whereas actually it is 540kj/mol?

2281

mode of absorption in alimentary canal?

2352

What is the metal used to extract copper from the solution of copper sulphate?

1048

Differentiate between modern periodic table and mendeleevs table?

1115

what is turbidimetric titration?Give 2 examples.

2611

what is difference between UV - VISIBLE MODEL NO like 1600,1601,1700 etc ? plz explain me

2647

Loss of linearity in tkn analysis, possible reasons?

1281

What are the electrodes used in the measurement of ph for the determination of pka?

1255

what is classification of elemental impurities? what is risk assement in elemental impurities?

730

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