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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 22001

What is method validation in quality control

Alchem,

1 5011

Why we use uracil and caffeine in hplc calibration

Alchem, Reddy Labs,

6 29940

hplc assay limit 98.0 to 105 why

Aurobindo, Hetero,

2 14125

uv,ri,pda detactor principles ?

Aurobindo, Mankind, ZCL Chemicals,

1 4474

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

Hygro Chemicals,

2 6769

HPLC Calibration gradient method why used union ?

Hygro Chemicals,

2 6259

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,

3408

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 7825

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

Lupin, Teva Pharmaceuticals,

2544

Why Assay and CU test performed differently?

Cipla, Lupin,

4 16533

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

2 15891


Un-Answered Questions { Sciences }

What is iron ore consists of?

1047


what is difference between usfda and mhra guidline

2681


What is the molecular formula, structure, and bond angle of phosphorous?

1030


if instrument calibration fails then what require to do?

980


If the temperature of a star increases from 10,000k to 30,000k, by what factor will the rate of energy radiated per second increase?

114


What is the chemical formula of alum?

1154


Explain the molar mass of chlorine?

1034


Explain the role of the ozone layer for the living beings?

286


What is type III hypersensitivity?

568


what is Cell membrane marker?

1917


What is the function of csf?

1064


I completed my BSc in biotechnology and now in a dilemma what to choose next.My goal is to earn more so can anybody guide me the next step of my life which leads to my goal?

2325


What is the mantle made of?

805


mud eel eg.cuchia,how many gill rakers?

2272


what is antioxidant para meters

2818