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

what is lithipone?

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

6 25383

what is redox potential of an organic compound?

Dr Reddys, Glenmark, Lupin, Reddy Labs,

2 19628

what is saponification of oils?

Cipla, Indian Potash Limited,

2 17686

How 'salting out' process is used in extraction?

PH.D Interview,

2 18687

What are geometrical isomerism? Explain them with an example?

PH.D Interview,

1 14090

Mention the factors affecting solubility of compounds?

PH.D Interview,

9 20486

NH2-CH2-COOH belongs to what structure?

Dr Reddys,

11 34355

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

1 7819

what happens when aminoacids react with alcohols?

GVK, GVK Biosciences, Pharmaceutical, Reddy Labs,

3 19258

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

Flamingo Pharmaceuticals,

9 36498

what are the 4 classes of unsaturated fatty acids?

College School Exams Tests, Snowcem Paints,

1 6938

why the atomic weights are in fractions?

1 8583

Which is useful in the manufacture of Insectisides?

RR Enterprises,

2 8348

The Name Benzene was Proposed By?

Cipla, GVK, Torrent Pharma,

24 38458

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

Cipla,

13 28441

Un-Answered Questions { Chemistry }

What is gelatinization?

1622

Explain what is the net charge of a non-ionized atom?

1051

Why is acetic acid added?

1167

How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?

1780

Why is ammonium hydroxide added to the brass solution?

1301

if you get peak in blank then what require to do?

976

Write the structural formula for edta.

1100

Define an origin of electrode potential? : Electrochemistry Corrosion

1065

describe the lewis dot structure of Mg2+?

11989

Why are the titration involving edta carried out slowly towards the end point?

1191

Tell me something about Vitamin A test method by HPLC

2680

in api coa analytical method given as Ph Europe which api used in formulation in this api coa method given Ph Europe so for Analytical methic for finished product we require to refer Ph Europe monograph ok n.a.? So any extra impurities which is given in USP monograph of api or finished product need not require to monitor on above case n.a.? but how require to do specificity?

601

whether ter weight is require when doing the water standerdisation

2007

What is the accepted microbial load in APIs as per USP.........?

2511

How is hardness of water caused?

1132

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