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

General Chemistry (478)
Chemistry AllOther (190)

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?

800

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

936

how to qualify the impurity?

947

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

950

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

866

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

1408

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

855

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?

650

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

890

we can use expired sample for validation and analyst qualification?

865

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

1011

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

912

how require to set assay concentration for standard and sample?

978

What is dose dumping? why require to do?

1050

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

798

Un-Answered Questions { Chemistry }

discuss the diffrent types of chromatography and their uses. In not more than 10 papers oc not less than 8 papers

2169

Protactinium has potential applications in nuclear reactors. Could you elaborate on its role in enhancing reactor efficiency or safety?

712

What are acounting Pi electron's?

2387

What is the diference between residual solvents and organic volatile matter

2114

if you have given one product then how you determine the impurity in that?

803

Explain how buffer works?

1164

why we are using hexane in calibration of number of drop per mL

1798

As a chemist working with Protactinium, what safety measures and precautions would you take due to its radioactivity?

627

How can chemists control which type of polyethylene (ldpe vs. Hdpe) is generated? : Polymer Chemistry

1780

Define chemical corrosion. What are the types of chemical corrosion? : Electrochemistry Corrosion

1074

Define corrosion? : Electrochemistry Corrosion

1183

Mention the formula to calculate ph of a solution?

1474

HI, I AM SUNIL BISHNOI.I AM PREPARING FOR ISHRO ASTRONOTES EXAM.PLEASE TELL ME ALL ABOUT THIS.

2532

What group of elements were called the inert gases?

1171

in OSD forms require to use gas chromatography?

878

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