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Sciences Interview Questions
Questions Answers Views Company eMail

why the ph scale range is 1 t0 14 and why not beyond 14 and not to below 1?

Avra, Granules, Orchid,

5 21999

What is method validation in quality control

Alchem,

1 5009

Why we use uracil and caffeine in hplc calibration

Alchem, Reddy Labs,

6 29938

hplc assay limit 98.0 to 105 why

Aurobindo, Hetero,

2 14122

uv,ri,pda detactor principles ?

Aurobindo, Mankind, ZCL Chemicals,

1 4473

ex:this product used c18 column but same product used c8 column what happend ?

Hygro Chemicals,

2 6767

HPLC Calibration gradient method why used union ?

Hygro Chemicals,

2 6257

diffrence between known impurity and specified impurity?

Cipla, Medreich,

2 7038

Which of the following is prevented best with vaccination?

RRB,

2335

what are stereomers? how are they classified?

MSN, Reddy Labs,

3404

If mass balance is not passing in forced degradation in method validation that method is suitable or not?

Aurobindo, Dr Reddys, Reddy Labs, Wockhardt,

1 9001

Why we compare unequal concentrated solutions in heavy metals test. For example comparing the test solution with 1 ppm lead standard and telling it's less than 20ppm?

Micro Labs, Mistair,

1 7822

from hplc chromatogram how can we say that calibration is needed now?

Lupin, Teva Pharmaceuticals,

2543

Why Assay and CU test performed differently?

Cipla, Lupin,

4 16531

What is the reason for negative peak in HPLC while using UV detector.

2 15891


Un-Answered Questions { Sciences }

What are the traits involved in social reforms?

1


Computer printer produces 176400 lines in a given day. If the printer is in operation for 7 hrs during the day how many lines did it print per minute?

1028


How the dose for children is being estimated based on preclinical data?

1040


What are high affinity receptors?

555


Which ancient civilization believed cats were sacred?

1033


Why does not bicycle fall when it running condition? When it fall whiteout stand. Why?

909


Explain which kind of volcano is the most destructive?

788


What are quasars?

1104


Explain how have some stars had time to die since the universe began?

122


Under what condition the critical point (a,b) will be saddle point ?

1188


What is a difference between potency and purity?

1220


pls send me the solved paper of health & malaria inspector to santoshmaurya.087@radiffmail.com

2901


How to use Lidocaine for primary astrocyte culture purification ?

1795


What are the constitutions of the cell wall of chlorella pyrenoidosa ?

2243


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?

6249