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 20129

What is method validation in quality control

Alchem,

1 4081

Why we use uracil and caffeine in hplc calibration

Alchem, Reddy Labs,

6 27623

hplc assay limit 98.0 to 105 why

Aurobindo, Hetero,

2 12958

uv,ri,pda detactor principles ?

Aurobindo, Mankind, ZCL Chemicals,

1 3618

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

Hygro Chemicals,

2 5870

HPLC Calibration gradient method why used union ?

Hygro Chemicals,

2 5266

diffrence between known impurity and specified impurity?

Cipla, Medreich,

2 5911

Which of the following is prevented best with vaccination?

RRB,

1929

what are stereomers? how are they classified?

MSN, Reddy Labs,

2926

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 7973

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 7011

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

Lupin, Teva Pharmaceuticals,

2103

Why Assay and CU test performed differently?

Cipla, Lupin,

4 14885

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

2 14744


Un-Answered Questions { Sciences }

Why does a glacier move?

451


In cleared and stained root material you have seen structures that appear to be empty sacs in the epidermal cells with ostioles that exit to the soil. Which division are these fungi likely to be from?

1597


Explain global warming?

66


Why is ammonia-ammonium chloride buffer added?

689


List out the General Objectives of teaching Physical science at Primary stages.

585






Name some common allergens associated with type-I hypersensitivity.

312


How do the availability of water and light and the climate affect the growth of a population?

118


Explain how precision agriculture techniques, such as GPS and remote sensing, have revolutionized modern farming practices.

115


What is the difference between limit of quantification and limit of quantitation?

2348


What is the arden syntax?

1


what are some unique characteristics a magnolia has?

1406


How doe's the storm make in the sky.

1692


why do hard water never produce foam when a soap is dissolved?

604


Give an example for alloantigen.

326


What is the capacity of arihant’s atomic reactor?

600