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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?

 1855

why we use only sucrose in the calibration of polarimeter?

Kilitch,

7 25989

what Mean By Organic Chemistry

 3 5204

we shall use Dichloromethane in last stage of API.

Cipla,

2722

What is the Deference between Bulk density & Tap density ?

Hikma Pharmaceuticals, Neuland, Reddy Labs,

2 24399

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

 1 3574

which metal is found abundantly in the earths crust??

 2 4170

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

Glenmark,

2 12821

What is difference between Related Substance & Impurity Profile?

Jubilant Organosys,

2 50747

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

 3 9956

why wetlab is called as wetlab

 6 16315

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 9327

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

Apex,

4 9585

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

 1 6152

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

 1924

Un-Answered Questions { Chemistry }

in which situation ion pair agent require to use?

359

The use of vermilion on rubric of the Tartar Relation is confirmed by the presence of three lines attributed to HgS. Why should this diatomic have more than one vibrational line?

2274

What is split ratio in Gc? Splitless? how requirr to select?

420

how require to select dissolution media? what is discrimination?

412

on the basis of bcs class how to proceed the solubility?

370




Explain the difference between hcl acid and hcl gas?

680

Please give idea about method development for cleaning method and how maco level establish

343

what are risk assement in the analytical qbd?

364

Explain what is the net charge of a non-ionized atom?

651

Explain acid gas?

654

why digestion require in icpms?

391

What are some common compounds or chemical reactions involving Protactinium, and how do they contribute to our understanding of this element?

225

how we can identify the impurity is coming below loq at transfering site?

479

Tell me the common name of the molecule dihydrogen dioxide?

666

How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain

2041

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