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 15260

what is mass spectra ? why it is necessary ?

1 5852

difference between IR & NMR spectroscopy ?

9 40862

what v define from IR & NMR spectroscopy ?

Sun Pharma,

2 8247

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

Cipla, Reddy Labs,

5 13300

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

Orchid,

11 33303

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

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

12 65120

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

2 14417

what split ratio in gas chromatography.

Cipla, Glochem,

9 49850

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

Google,

1 4006

significane of detector wavelength accrucy in calibration of hplc

1 6741

signifcance of detector lenearity in calibration f hplc

3 8985

injection volume accruacy test i calibration of hplc

HLL,

3 19970

verification of wave number why you are use in IR calibration

2 8008

control of resolution in calibration of IR

3 9476

Un-Answered Questions { Chemistry }

What are constituents of brass?

1176

what is induction on electrical insulators

2269

wtat type quations will be sak in ongc exam?

3167

Actinium-227 can decay into Thorium-227. Explain the significance of this decay chain and its applications, particularly in nuclear physics.

606

why xterra column require to use at higher ph?

869

Define:minerals and ores

2534

Sr-90, a radioactive isotope, is a major product of an atomic bomb explosion. It has a half life of 28.1 year. Calculate the first order rate constant for this nuclear decay and the fraction of 90Sr that remains after 10 half lives?

6175

we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion

1804

why holium oxide prepared in 10% HCLO4 SOLUTION

1404

WHAT IS THE USE OF STARTER ?????????

2356

What is the chemical composition of fat in human body?

1070

In order to avoid the pyridine catalyst use in many synthesis which is harmfull to environment, which catalyst can be used....?

2338

What is the principle of Particle size analysis and zeta potential

2589

Explain the use of glacial acetic acid?

1036

what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?

2228

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