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Chemistry Interview Questions
Questions Answers Views Company eMail

Retention time & Relative Retention time Definition & between difference? How to Calculate response factor(RF) & relative response factor(RRF)?

MSN Pharma, Titan,

3 18668

why are using toluene in uv calibraion in resolution performance

MSN Pharma,

2 9971

why we make titiration of Iron with EDTA ?

Cipla, Sitec Labs,

1 8109

why antharacene use hplc calibration

ITC Infotech,

1 3146

hardness of distilled water

CAPL, Parabolic,

1 5263

What is difference b/w IR&NIR

Apotex,

1 5006

Why does boiler drum ph maintain from 9.5 to 10.2

 1 6972

What is the definition of water content or moisture content,what is the procedure going on w.c amalysis?

Cipla, KIYI,

1 10231

how can you determine a compound acidic or basic?

Celon Labs, Cipla,

2 9690

For LOD and LOQ determination which method is accurate? (slopemethod or s/n ratio method)

Reddy Labs,

4 10119

how to develop the shorter run time for pharmacopeial methods having 100 min run time?

Reddy Labs,

3 9857

How you start the method development of unknown compound.

 1 5186

How to determine water content of bis tetrazole amine mono ammonium salt

 2968

Is there any difference in principal of reverse phase and normal phase chromatography? and why? Please update. Thank and regard

MSN Pharma,

3 10093

Why Nitric acid can be stored in Aluminium containers?

 1 5922

Un-Answered Questions { Chemistry }

How BIS Decedied the LSF value 0.66-1.02 with calculation.

1786

Protactinium is part of the actinide series. Discuss the significance of this series and its implications for nuclear chemistry.

233

Define dipole-dipole force?

606

i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me

2188

what is the acceptance criteria for enteric coated tablets in 0.1n hcl validation in each parameter?

348




What is the difference between spectro meter and spectro photo meter?

10430

Name the molecule which is characteristically prevalent in sour milk and tired muscles?

560

how to prepare the 0.001M tio2

1898

What are the challenges and opportunities associated with handling and storing Protactinium due to its radioactivity and scarcity?

150

what is lod and loq ?,why use k2cr2o7 , kcl h2so4 in uv calibration ?,why use benzophenone & caffene acetone in hplc calibration ?,what is leading peak in hplc ?why we do the calibration of limit of stry light in hplc & uv ?

3192

HPLC in sequences analysis was taken wrong method and one blank & Standard is running so what to do

735

State lambert’s law.

782

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

1943

Protactinium-234 is an important tool for studying ocean circulation. How is it utilized in oceanographic research?

111

how to calibrate hplc & gc

4035

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