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Chemistry Interview Questions
Questions Answers Views Company eMail

Why sodium hydroxide used for maintain pH of phosphate buffer

Medicamen Biotech,

1820

What is the deference between Residual solvents and OVI

RA Chem Pharma,

1 3277

What is the diference between residual solvents and organic volatile matter

RA Chem Pharma,

1477

WHY given much noise PDA dector then VWD Dector

 1494

why we shrink our body during cold

IPCA,

1323

How to decide the standard concentration for related substances hplc method

 1 3561

Why we have to use KBr pellet technology ?

 1 2559

Why dissolution test performed on six jar?

Mylan,

1 3432

How to determine retention time in Chromatography

Mylan,

2 5034

effect of Ph during analytical run ?

Lambda Therapeutic Research,

1 2337

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...

Srini Pharmaceuticals,

1548

Can we consider in purity angel

Alkem Labs,

1323

can we Consider the Purity threshold and Purity angle in place of peak purity for the specificity test for method verification

Alkem Labs,

1309

is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth

Aarti Drugs,

1652

I need organic mixture analysis viva questions & answers

Practical Viva Questions,

5748

Un-Answered Questions { Chemistry }

chlorination of methane is possible and a mixture of products are obtained. Is flourination and Bromination of methane is possible?

1606

How can we calculate offset value pH measurment

1063

sop of a uv visible spectrophotometer double beam elico model

5343

what is the difference between elctrefining and electrolysis?

1740

In pickling process of titatium with HCL . how to know if the acid is not effective after pickling several batch. is there any test to know it. (not practically)

1119




can you email me because I have a report and I need you to answer these questions if you would like to if not I completely under stand.

1704

how to calibrate hplc & gc

4023

Explain the differences between organic and inorganic chemistry?

643

calibrtion procedue of LC-MS

2133

identification is for unknown? qualification for known? reporting for LOQ?

272

State beer-lambert’s law.

645

What is the principle of HPLC, GC, LCMS, GCMS,LC QQQ, GC QQQ, LC Q TOF and GC Q TOF. What are the applications and Specificity?

8303

What is the acceptance criteria for moisture balance when calibrated with sodium sulfate

1542

How will you calculate how many moles of glucose present in 320 ml of 5.0 m of glucose solution?

622

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

284

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