Chemistry Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

General Chemistry (478)
Chemistry AllOther (190)

Chemistry Interview Questions

Questions Answers Views Company eMail

what is use of acetonitrile compare to methanol in RP-HPLC Method devlopment

Neuland, Orchid,

7 24489

how do you make a amine sugar

Al-Manhal, Reddy Labs,

2366

is a bonded water molecule in an organic material can be easlisy and accuractly determined by KF rather than LOD

2 7772

How to know HPLC column performance?

Meghmani Organics,

4 13384

What is heavy water

Meghmani Organics,

3 8989

What will be the effect on HPLC analysis result if three mobile phases given separately through three valves and same proportion mixed together and given by one valve?

LOIL,

1 5267

Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.

2865

Why PH range from 0to14.

College School Exams Tests, Reddy Labs, Wings Customer Care,

2 14396

what are the different by which a new molecule can be characterised ?

Cipla, Reddy Labs,

2 6396

give an example of secondary standard (solution).

1 5407

why you are using benzoic acid for water content determination in TEA

2 7918

difference between instrumenent and equipment

6 14167

mixed 1.0 ml of methanol and 1.0 ml of toluene and injected in gas chromatography.will you prove that both solvents are in the ratio 1:1(not by area normalization)

1 3778

What is the principle of GC/HPLC ?

BioCan, Biocon, Megafine Pharma,

4 57545

pH range of methanol and acetic acid is ........

1 6493

Un-Answered Questions { Chemistry }

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

2302

What is german silver?

899

What is wave length?

981

we shall use Dichloromethane in last stage of API.

3087

Active Ingredients in septilin ??

1695

hi, i want last 10 years ongc exam recruitment papers for subject in chemistry ,genaralknowladge.

2803

Define dipole moment?

1067

What is the chemical composition of fat in human body?

1125

how you establish the LOQ?

792

how will you do the prep for unstable componds?

2024

How a balanced equation can be used to find the mass or volume of an unknown quantity in a stoichiometry?

2577

Define oxidation potential and reduction potential? : Electrochemistry Corrosion

1199

what is mean by 40 in the dissolution basket mesh size?

787

Differentiate between modern periodic table and mendeleevs table?

1167

iam usig ph buffers merk. manually how to prepare ?

2276

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