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

If inhouse hplc related substance method is completly diffrent from Usp for finished proďuct with diffrent impurities then how require to prove method equivalecy?

751

How to set analytical specification for combination products?

788

what is mean by covalidation

750

What is the requirement for brazil in the analytical method vslidation comparr to ich?

726

Why only 1.2 million lux hours require in photostability study?

983

what is diffrence between specificity and selecivity?

733

analytical method validation require to with respect to release specification or shelf life specification?

755

In which situation we require to analytical method validation of excipient?

752

in monograph 7 imp are there but in vendor showing 5 imp do not req to include 2 imp for that what will be justification?

690

how require to interprit the method precision data of hptlc?

786

in api coa contains only process impurities and in product coa contains degradation impurities?

674

Which are the diffrent grades of api in pharma?

716

In which situation we require to prepare the standard solution from sample in Related substance method?

736

Hi sir if any product monograph not given known impurities (may be 5 impurities) specifications then how we require to proceed for inhouse formulation?

672

how to decide for one product require water content or LOD?

744

Un-Answered Questions { Chemistry }

How do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.

2556

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...

1989

What is viod volume and peak purity in HPLC?

2833

Explain what is the net charge of a non-ionized atom?

1015

From where require to take the RLD sample?

728

Which form of Sucores is harmfull to humans ?

2268

Comosition of bell metal

1763

in gas chromatography what is the difference between gas flow rate and average linear velocity ?

2562

Observe the following number to four significant figures and express the result in standard exponential notation: 0.006543210?

969

Explain how do you extract ephedrine from a mineral block?

935

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

615

Explain why acetic has less conductivity than hcl?

1005

How to convert 673 kelvin into degrees centigrade?

1030

What is electrode potential? : Electrochemistry Corrosion

1089

Protactinium-231 decays to Uranium-235. How is this decay used in radiometric dating and the determination of geological ages?

530

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