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?

773

How to set analytical specification for combination products?

818

what is mean by covalidation

785

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

782

Why only 1.2 million lux hours require in photostability study?

1036

what is diffrence between specificity and selecivity?

780

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

793

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

790

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?

723

how require to interprit the method precision data of hptlc?

821

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

701

Which are the diffrent grades of api in pharma?

772

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

777

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

707

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

783

Un-Answered Questions { Chemistry }

Define electrochemical series? : Electrochemistry Corrosion

1011

What are the products formed after cod analysis?

1335

Why sometime potassium ortho phosphate mix with acetone use for sample preparation for hplc

1469

What is glacial acetic acid? What are its uses?

1071

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

1017

Comosition of bell metal

1784

Why graphite rod is used in nuclear reactor?

1029

How is the accuracy of the method determined?

1108

in which situation require to change rs specification?

749

graphaite has higher melting point than fularine

2998

1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer

1852

What is the role of a catalyst? : Polymer Chemistry

1019

2. Two grams of Benzoic acid are dissolved in 200 ml of water and extracted with 200 ml of diethyl ether. The distribution coefficient of benzoic acid is 100, and its dissociation constant is 6.5 10-5. Calculate the distribution ratio (D) of benzoic acid at pH 2, 5, and 6. 3. Calculate D at pH 2 to 10 (1 unit apart) in the above problem, and plot D versus pH.

2224

how you start RS method development when for new product?

721

how will you do the prep for unstable componds?

2028

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