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Chemistry Interview Questions
Questions Answers Views Company eMail

Which Zone of our country like conducting of Stability studies(Accelerated & Long term stability studies)as per ICH guidelines.

4 11307

Can a Nascent Hydrogen be used for fuel cell without damaging the equipment and if so how good would it be compared to other type of hydrogen.

 1723

what is difference between assayand potency

Hetero,

4 10905

What is the difference between GSC & GLC?

 3 23996

pda detector mechanism?

DKR, Teva Pharmaceuticals,

1 3098

Three products in gaseous form that is obtained in fractional distillation of petroleum.

 1 2398

in uv visible spectroscopy calibration why we are using potasium dichromate and tolune

Reddy Labs,

4 8349

Which halogen element is used in halogen light?

 1 3543

why in hplc peaks are in positive side(it means upside) not in negative side?

 3 9747

give clarity of linearity and range in method validation

 1846

how do we get usp reference standard potency?

Ind Swift Laboratories, MSN Pharma,

1 3518

what is the origin to prepare standard operating procedure

 1774

why we are using sodium,potassium phosphates for mobile phase preparation?

 1 9716

why water factor is near about 5.0 in kf titration?

Claris Lifesciences, Indchemie Health Specialities,

3 12486

Why 1800 ml of dissolution media used In Carbamazepine ER USP Tablets But other drug only 900 ml Media Used ?

Torrent Pharma,

1 4677

Un-Answered Questions { Chemistry }

WHAT IS THE SYLLABUS OO GROUP -I?

1712

what does 50 denote in dowex 50 ????

2089

What is gelatinization?

1160

Can you provide an overview of the properties and characteristics of Protactinium and its placement in the periodic table?

131

What is similarity factor?

710




Why we use potassium dichromate in uv calibration Exact reason behind it??

651

in monograph 7 imp are there but in vendor showing 5 imp do not req to include 2 imp for that what will be justification?

254

How to set specification of assay, fisdolution and related substances?

353

What is colorimetry?

646

wtat type quations will be sak in ongc exam?

2634

Tell me something about Vitamin A test method by HPLC

2195

What is stray light in uv what are units for stray light

1006

for inorganic molecules require to do RS, Assay and disso?

240

Does domestic/household used kerosene oil which is available in blue color (In India) can change its color over the due course of time say 8-10 years if keeping in plastic bottle? If so, in which color it will be turned to change, yellow or transparent or any other color. Please provide me the reply with strong technical approach. Since it has been asked during an interview. Please reply fast. I will be thankful to you if anyone can provide the supporting journals/write-ups/reference to favour of response.

972

What is kentchin?

582

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