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Chemistry Interview Questions
Questions Answers Views Company eMail

what is procedure of actual procedure for registration of drug?

2012

Can you please give a suitable definition and an example for understanding the words purity and potency.

Cipla, Malladi Drugs and Pharmaceuticals, Reddy Labs,

6 11490

What is column in chromatography?

Chembond Chemicals,

2250

Which Pharmacopiea follow calibration of HPLC,GC

Bayer, Reddy Labs,

3 10327

Why Holium cholorate used in UV Spectro photometer?

Reddy Labs,

7 11931

why we get negative values in uv when i placed sample which has some concetration but not in standard

Nirma,

1 5316

What is difference between LVT and RVT Viscometer?

Reckitt Benckiser,

7106

Why water not directed by FID detector 

Amoli Organics, Lupin,

2 6621

what is definition of validation? which components are followed give detail?

2383

how the compound separate in coulunm,explain

Wockhardt,

2539

What is the principle of HPLC?

Cipla, Lupin,

3 10188

Why methanol & acetonitrile is mostly used for hplc analysis?

DRL,

2 14653

Explain about empower software of analysing?

DRL,

1 5892

why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space

Raks Pharma,

2273

NIR wave length range how much

Aurobindo,

3 4989


Un-Answered Questions { Chemistry }

what is stero electronic factor.2 what is steric control factor and what is product control factor

2138


Why we use potassium dichromate in control of absorbance in uv region and copper sulphate in control of absorbance in visible region?

2986


there is something which we call as the basicity of an acid i wanted to ask is that is there something like the basicity of an alkali if yes than how can we define it?

2060


Explain the function of mitochondria?

1076


What is the min constitutes of haematite ore?

1092


Define oxidation potential and reduction potential? : Electrochemistry Corrosion

1211


mode of absorption in alimentary canal?

2400


What is the main difference between ODS1 and ODS2 Hplc column.

5234


why use of sulfuric acid in roi test in pharmaceutical industry

2495


Suppose u have combipack product and u get 2 or more peaks which are other than there placebo then what we can do

2309


4.0 liters of oxygen are mixed with 8.0 liters of nitrogen. Identify the solute and solvent in this mixture:

1053


What is acid anhydride of h2co3?

1023


What is mean by PDR?

965


How would you decide dissolution medium for NCE compound of class I drug

2271


Head-to-tail polymerization of propylene is observed with the [cp2zr(r)]+ catalyst. Explain this result on the basis of molecular-level interactions. : Polymer Chemistry

1023