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

Difference between related substances & impurities

Biocon,

2 18395

Polarized meter calibration, 1. Method name? 2. Which solution use? 3.why?

1 3807

Basic principle of ESI?

Cipla, GVK,

2156

What is the meaning of Base deactivated vials

Sun Pharma,

1 3639

What is definition of RRT and what is the difference between RT and RRT in HPLC

2 10599

What is the definition of RRF

2 6845

In GC Why does retention time decrease when temperature increases? Also how does a change in temperature effect selectivity?

Gland Pharma,

1 4010

why we use 0.1% acetone in gradient calibration of HPLC?

Cipla, Dr Reddys, FDC,

3 13898

What is difference between assay by Hplc and uv

Aizant, Fredun Pharmaceuticals, Hetero, Marksans Pharma,

2 10534

why we use actone for Gpv test in hplc calibration

1 10306

How to standardization of 1N H2SO4?

GNFC, Macleods,

1 8049

Why ammonia is used as buffer solution in estimation of copper by EDTA method

1873

how does h2so4 prevent oxidation of mohr salt before it is titrated?

1 3209

what are the reasons to get the low transmittansE in FTIR

Dr Reddys,

2 4343

In dissolution of tablets/capsules elaborate the Dissolution limit 20.0% to 60% Q in 30 minutes.

1 2832

Un-Answered Questions { Chemistry }

we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion

1874

How is the measurement of ph made?

1071

what is meant if aluminium sulfate contains 30% basicity?

2169

How does Actinium interact with other elements, and what are some notable chemical reactions or compounds involving Actinium?

617

Explain the ionic equation for hcl-naoh?

1039

which are the diffrent batches in the pharmaceuticals?

826

What is blank solution?

1092

What is viscosity-coefficient of a liquid?

1421

Define the full form of hcl?

1160

What is determining factor in the oxidation reduction reaction?

1439

What is polar hcl?

1094

What is the difference between volumetric solutions and test solutions

3216

What is the application of hardness date in environmental engineering practice?

1417

Which one of the following is not aromatic?

1408

Arrange the following in their increasing polarity order Carboxylic acid, hydroxyl, phenyl, amino and aldehyde

1748

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