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?

824

How to set analytical specification for combination products?

878

what is mean by covalidation

834

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

854

Why only 1.2 million lux hours require in photostability study?

1105

what is diffrence between specificity and selecivity?

837

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

853

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

847

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?

786

how require to interprit the method precision data of hptlc?

875

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

740

Which are the diffrent grades of api in pharma?

820

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

827

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

759

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

844

Un-Answered Questions { Chemistry }

acceptance criteria for lod & loq by standard deviation of response and slope??

2646

What makes a molecule into organic molecule?

1321

What is the application of hardness date in environmental engineering practice?

1467

in which situation require to use paddle and basket?

798

Why ammonia is used as buffer solution in estimation of copper by EDTA method

1928

inhouse product is in capsule form in combination and RLD is in tablet form then can we proceed for multimedia CDP? in inhouse capsule product disso is paddle with sinker in release media is there then RLD product in tablet form then with same as paddle with sinker we can proceed n.a.?

779

How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?

3266

if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?

739

What is stray light in uv what are units for stray light

1726

What are hard waters?

1082

what are UV rays absorbs slightly?

2239

What is colorimetry?

1196

Acid value definition is number milligrams of koh required to nuetralise the acid present in one gram oil & fats but why not use naoh for nuetralisation?

1205

how you start RS method development when for new product?

780

Why is the color of the indicator drop remains the same at the end point?

1294

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