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Chemistry Interview Questions
Questions Answers Views Company eMail

If we do accuracy at same concentration at which linearity planned,what is the need to do linearity separately?

 1751

why we use only sucrose in the calibration of polarimeter?

Kilitch,

7 25395

what Mean By Organic Chemistry

 3 4934

we shall use Dichloromethane in last stage of API.

Cipla,

2621

What is the Deference between Bulk density & Tap density ?

Hikma Pharmaceuticals, Neuland, Reddy Labs,

2 23975

In burette calibration of Karl fischer Instrument, the multiplication factor 1.00693 is using for how much ml of water dispenced. why

 1 3333

which metal is found abundantly in the earths crust??

 2 4007

how can we decide the limit of cleaning validation? What is the criteria for it?

Glenmark,

2 12561

What is difference between Related Substance & Impurity Profile?

Jubilant Organosys,

2 50269

Why we are injecting low load standard conc. while analysing Related Substances by HPLC?

 3 9594

why wetlab is called as wetlab

 6 15865

In UV-VIS spectrophotometer:My diluent is methanol even though i corrected base line for methanol,In my sample scan i found methanol peak.what is the reason?

 2 9031

What is the diffrence between the performing of LOD ordinary drying at voven and vaccum method.

Apex,

4 9159

How can we calibrate the burette dispencing capacity in metrorm kf titration calibration

 1 5958

how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC.

 1833

Un-Answered Questions { Chemistry }

what is the significance of control of absorbance in UV?

1780

Why does the experimental lattice enthalpy of NaI differ greatly from the theoretical lattice enthalpy?

2947

What is the role of a catalyst? : Polymer Chemistry

573

What is the bluish white precipitate formed after adding ammonia solution?

590

Why are olefins (alkenes) good monomers for polymerization reactions? : Polymer Chemistry

884




What is the composition of Barford Reagent?

1554

State beer-lambert’s law.

647

What are the factors that affect the viscosity of a liquid?

576

what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR

8421

How tripod is used?

624

mode of absorption in alimentary canal?

1921

What is the diference between residual solvents and organic volatile matter

1480

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

334

what is the structure of DOWEX-50

4920

In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )

2955

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