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Chemistry Interview Questions
Questions Answers Views Company eMail

defination of wavelength & wave number

4 13987

what is LC - MS ? What its wide use in cro/pharmaceutical Industry

Ranbaxy,

4 10948

what is difference between IR & FTIR ? how we calibarte both ? I want to know the procedure.

Cadila,

7 91145

which brands HPLC COLUMN available in market

11 23666

calibrtion procedue of LC-MS

GVK, Matrix,

2765

what is full form of RVT

1 15192

Defination of ZEEMAN EFFECT in NMR ?

2 7345

what is the component of air

ONGC,

5 8442

what is MCG dilution in HPLC & GC analysis

Amoli Organics, Cipla,

1 10092

what is difference between GC & GC-HS

SRF,

11 50984

which brands GC coloumn available in market

4 11256

why linerity not use in GC but use in HPLC ?

6 15971

hi i am siva icompleted m,sc in organic chemistry in 2008&working as alecturer can u send me the interview qusetions with answers . i expected that i got 135 - 140 marks is there any chance to get selection my interview is on may 7th 2010

2173

How to decide restandardisation due or retest or expiry of Volumetric solutions prepared in wet chemistry lab?

NCL,

6 29490

How to interpret XRD graphs against standard and limit for same?

NCL,

3 10548


Un-Answered Questions { Chemistry }

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?

2113


effect of pore size, pore volume, partical size, column length, carbon load on retention time? what is carbon load? what is the use?

1011


Write the mathematical form of nernst equation and give one application? : Electrochemistry Corrosion

1023


naphtha and hexane mixture can be used a fuel or not

2499


Consider the polymerization of 1,2-dichloroethylene, h(cl)c=c(cl)h. What structural variations are possible in poly(1,2-dichloroethylene)? : Polymer Chemistry

1417


Related substance method equivalency on control sample or spiked sample?

824


Why is eriochrome black t indicator cannot be used in this experiment?

1228


What is phase transfer catalyst?

1162


Suppose we prepared pH buffer solution in lab.and calibrate against NIST solution, and same shall going to used upto 30 days. is it possible to stable pH and appearance? suggest?

1962


Name the branch of chemistry that deals with the relationship between electricity and chemical reactions?

1252


Why are metals often good catalysts? : Polymer Chemistry

1023


Name the element which has the following ground-state electron configuration: 1s22s22p6?

1034


Which organic compound is used as a fuel in jet air crafts?

1315


Define alum?

1150


What is the difference between volumetric solutions and test solutions

3266