Chemistry Interview Questions
Questions Answers Views Company eMail

what is lithipone?

Dr Reddys, ONGC, Reddy Labs, Lupin, Jubilant,

6 15454

what is redox potential of an organic compound?

Reddy Labs, Lupin, Glenmark, Dr Reddys,

2 13162

what is saponification of oils?

Indian Potash Limited, Cipla,

2 11996




How 'salting out' process is used in extraction?

PH.D Interview,

2 13786

What are geometrical isomerism? Explain them with an example?

PH.D Interview,

1 10313

Mention the factors affecting solubility of compounds?

PH.D Interview,

9 11531

NH2-CH2-COOH belongs to what structure?

Dr Reddys,

11 20438

what are ligases?which type of reactions they will catalyse?

1 4706

what happens when aminoacids react with alcohols?

Reddy Labs, GVK, Pharmaceutical, GVK Biosciences,

3 12359

what is the difference between coordinate covalent bond and covalent bond?

Flamingo Pharmaceuticals,

9 26207

what are the 4 classes of unsaturated fatty acids?

Snowcem Paints, College School Exams Tests,

1 3495

why the atomic weights are in fractions?

1 4866

Which is useful in the manufacture of Insectisides?

RR Enterprises,

2 4568

The Name Benzene was Proposed By?

GVK, Cipla, Torrent Pharma,

21 16803

Number of Sigma Bonds Present in Benzene are same as ..?

Cipla,

13 14476







Un-Answered Questions { Chemistry }

Explain Thiele's structure for benzene. What is the difference between thiele's structure and modern structure (resonance hybrid) of benzene?

3684


Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.

1394


in dissolution in one tablets two molecule one is losartan & second is HCTZ losartam is complies in s1 stage & hctz is complies in s2 stage then how to report result losartan s1 stage result or losartan s2 stage result

884


hi i am siva icompleted m,sc in organic chemistry in 2008&working as alecturer can u send me the interview qusetions with answers . i expected that i got 135 - 140 marks is there any chance to get selection my interview is on may 7th 2010

790


what is peak purity and its formula

164






What is the difference between Assay and Purity?

208


In BP2013, Loperamid HCl monograph. Assay by titration with 0.1N sodium hydroxide using hydrocloric acid 0.01N and reading the volume added between the 2 points of inflexion. I have a question that if the diluent solvent is ethanol is certainly consumed a amount of volume of titrant, so this volume must be eliminated on the result calculation or not apart from first point which is subtracted above.

1572


Why USP put two methods for tapped density? When I should use each one?

1891


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

698


Why perchloric acid used for potentiometric titration

28


why octanol used to determine the partition coefficient ?

937


why we shrink our body during cold

478


what is partion and column chromatography

1016


what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR

5872


why Nacl solution called as brine solution?

2416