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 are the advantages of soapy detergents over soapless

2 15476

what is mass spectra ? why it is necessary ?

1 6041

difference between IR & NMR spectroscopy ?

9 41465

what v define from IR & NMR spectroscopy ?

Sun Pharma,

2 8512

if v use HELIUM & ARGON instead of NITROGEN as a mobile phase what happen in GC SYSTEM ?

Cipla, Reddy Labs,

5 13762

what is relationship between absorption and transmittance in u.v.?

Orchid,

11 34270

why we are using polystyrene film for calibration of I.R spectroscopy?

Abbott, Andhra Organics, Intas, Kemwel, Reddy Labs, RRR, Veritas, Zydus Cadila,

12 66148

why we cannot analysis below 200nm in u.v?

2 14647

what split ratio in gas chromatography.

Cipla, Glochem,

9 50551

what is the colour of protein casein? is it whitish or colourless?

Google,

1 4172

significane of detector wavelength accrucy in calibration of hplc

1 6894

signifcance of detector lenearity in calibration f hplc

3 9282

injection volume accruacy test i calibration of hplc

HLL,

3 20349

verification of wave number why you are use in IR calibration

2 8263

control of resolution in calibration of IR

3 9750

Un-Answered Questions { Chemistry }

(CH2)n + nO2. ---->Co2 + nH2O + energy what is this mean with details

1695

Define an electro chemical cell. Give one example? : Electrochemistry Corrosion

1054

Explain how do you extract ephedrine from a mineral block?

1068

What is viscosity-coefficient of a liquid?

1488

why Nacl solution called as brine solution?

3849

what are stereomers? how are they classified?

3482

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

936

why require to do water content for drug product?

886

what is NIR wave length

1469

What if impurity area in control sample coming more as compared to LOQ level of impurity ?

1652

If inhouse hplc related substance method is completly diffrent from Usp for finished proďuct with diffrent impurities then how require to prove method equivalecy?

824

which batch require to use for analytical method validation?

863

Define an isomer?

1071

in each media we require to use SLS? how to proceed?

848

using gradient pressure in gas chromatography are not ?using gradient pressure why

3442

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