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Chemistry Interview Questions
Questions Answers Views Company eMail

viod volume and dead time

Oxygen Healthcare,

7 19264

when are the result of sbi clerical come

1814

What is the oxidation state of Cr in CrO5?

DS Group, Reddy Labs,

13 27436

Sir, please give me previous year question paper for RRB for the post CHEMICAL AND METALLOGICAL ASSISTANT.

RRB,

2291

how convert toludin in benzoic acid

Cadila, Practical Viva Questions,

3 7518

What is the octane number range of te petrol used in India ? 1)90-95 2)90-99 3)80-90

Indian Railways,

8 17584

there are how many numbers of sigma and pi bonds in borazine (inorganic benzene)?

 7 11765

what is the pH of benzene?why pH is not below 1

6 19171

why carbon is not heterocyclic compound?&why oxygen is heterolytic compound?

 6 9378

What is Potential Impurities?

Glenmark,

2 6543

What is the Finger Print region

 10 46987

How can we separate Acetonitrile from Methanol

Rockwell,

4 8514

i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me

 2191

what is the process to transfer corbonyl group of lignin to phenyle hydrazine?

Arvind Mills,

1 3902

Why we use caffeine for HPLC calibration in Detector wave ength accuracy test

Arvind, Aurobindo, Cipla, Reddy Labs, Shasun Chemicals,

60 187971

Un-Answered Questions { Chemistry }

How we choose the mobile phase for method development.?

662

chlorination of methane is possible and a mixture of products are obtained. Is flourination and Bromination of methane is possible?

1624

In Assy by potentio metry titration method how select MET U ,DET U, SET U,

1318

what is the difference between potentiometric titration and karl fischer titration?

2431

In testing of Cement the formula for water requirement for setting time is as below- Water required for setting time = NC x 0.85 The question is that what is the logic of 0.85 in this formula??

2034




Explain substituted hydrocarbon?

620

How are atoms of the isotopes different from one another? Two isotopes of carbon are carbon-12 and carbon-14.

556

How require to develop GC method? how to select diluent, GAS, column selection and other chromatographic conditions?

283

which gas is used in preaparation of bit salt

1847

What is the difference between fractionation and distillation?

599

How to find peaks in ftir chromatography

1074

How to fix the sample conc. in Related substances test by HPLC?

619

What is phase transfer catalyst?

647

What are the advantages of conductometric titration over visual or potentiometric titration?

689

Explain the secondary structure of proteins?

559

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