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

why we are adding H2SO4 to ash

Aurobindo, Reddy Labs,

4 7364

What is the principle of hplc detectors like.. UV detector,flurosence detector, RID?

Cipla,

2971

What is the principle of Thermal conductivity detector and FID?

Cipla,

2787

why acetone is highly soluble in water but acetophenol is not

1 7270

why 6 tablets use for dissolution

Cadila, IPCA, SUN, Teva Pharmaceuticals,

1 4717

What is the limit of minimum area in in hplc RS anlysis

Lupin,

1 5512

how many types oos and oot

1 4854

what is icdas abbrivation

1 6496

Why should we use Potassium iodide and Hydrochloric acid during preparation of Iodine Molar solution?

1 4040

How can you calculate manually "Slope" in pH calibration?

Hetero,

2 22136

In dissolution test s1 stage we are getting one bowl 40 % out of 6 bowls what is the root cause you find and how proceed next step? ( Q is 80%)

Reddy Labs,

3 4791

why we inject sample TWICE in ASSAY by HPLC analysis but in RS once?

Aurobindo, DRL, Neuland,

4 12074

What id the resolution factor

1 4316

whether ter weight is require when doing the water standerdisation

2067

what is a placebo peak

GMP Pharma, Optimus,

2 6542

Un-Answered Questions { Chemistry }

Explain the difference in the modern periodic table and mendeleevs table?

1034

How can be set a responds factor for evaluating a unknown impurity by HPLC

2464

Why is mercuric chloride added?

1123

How hydrate is forming along with API?

2379

on saturation solubility study data how we can find out the bcs class of drug?

961

How BIS Decedied the LSF value 0.66-1.02 with calculation.

2248

1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.

2947

if instrument calibration fails then what require to do?

1028

How are ph and pka related?

1156

Which is the best conductor of electricity?

1085

What is the range of uv & vis lamp in spectrophotometer?

1169

Explain extraction of ephedrine from a mineral block?

1111

Write the significance of electrochemical series? : Electrochemistry Corrosion

1042

analytical method validation require to with respect to release specification or shelf life specification?

853

Explain the function of mitochondria?

1130

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