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Chemistry Interview Questions
Questions Answers Views Company eMail

why should we do limit of stray light in UV calibration and why should use potassium chloride

2 30458

why ph is between 0 to 14

Apotex, Reliance, Zydus Cadila,

6 24630

what is the definition of limit of stray light in UV calibration

FDC, Zydus Cadila,

1 26308

what is the dipolement and how it is related to IR

AJ Square Inc, Aurobindo,

1 8648

why we are using in ph calibrations ph4,7,9.2 buffers only?

Reddy Labs,

5 19728

why hexane is used for FID calibration in GC

Glochem,

1 5251

what is %labelled amount in content uniformity of dosage unit and its calculation?

Zydus Cadila,

5236

how to prepare 5normality of hcl

2 46824

in pentoperazole capsules usp why assay value is substract from dissolution

Ranbaxy,

1 4379

diference b/w packed &capilary columns

2 8489

how to prepare 5 normality of h2so4 solution

Symbiotec,

3 78133

how to calibrate hplc & gc

Cipla,

4511

Explain in detail what are the procedure and calculations involved for accuracy (%Recovery)in method validation?

Vimta Labs,

1 6690

WHAT IS DIFFERENCE BETWEEN RRT AND RRF IN HPLC

Cadila,

2 50510

what is mean by Q in S1 and S2

Micro Labs,

3 10926


Un-Answered Questions { Chemistry }

What does it mean for a molecule or a ligand to be "chiral"? What properties does chirality impart to a molecule? : Polymer Chemistry

1039


Examine samples of ldpe (sandwich bag, squeeze bottle) and hdpe (milk jug, grocery bag). What are some of the differences in the physical properties of these substances? : Polymer Chemistry

1180


what is meaning of wet analysis.

5746


How is measurement of ph made?

1056


If combination product how require to identify which imp is of which api?

839


if rsd failed then what require to do?

836


What is the purpose of adding urea?

1392


what is the disso medium for tropsiun chloride

2260


What is the use of tlc and hplc? And when and where use?

1162


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

1852


Why do you require laboratory temperature for viscosity determination?

1147


Name the two most common end-products of alcoholic fermentation?

1007


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

1469


why do hard water never produce foam when a soap is dissolved?

1042


Why to use propyl paraben in HPLC gradient calibration

7488