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

Ph meter can show more than 14 ph reading? Why ph range in between 1 to 14 only?

741

How to set specification of assay, fisdolution and related substances?

882

how to qualify the impurity?

874

what is the acceptance criteria for enteric coated tablets in 0.1n hcl validation in each parameter?

888

What is the formula for relative diffrence for standard solution in solution stability in validation?

801

How require to perform linearity as per ANVISA? What are the acceptance criteria?

1334

[3/30, 13:29] Manoj P Venkatpurwar: How hplc column selection according to structure? How mobile phase buffer selection on molecule structure?

791

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?

599

in DMF having extra impurities and in api COA also having extra imp than USP or BP product then how require to proceed?

836

we can use expired sample for validation and analyst qualification?

810

If vendor having more imp than monograph then how to proceed? and how to set spec?

933

If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately

856

how require to set assay concentration for standard and sample?

920

What is dose dumping? why require to do?

951

Please give idea about method development for cleaning method and how maco level establish

748

Un-Answered Questions { Chemistry }

what is functionality of polymer? how can we get theoretical and practically?

2501

what is third integration

1975

How many moles of sodium hydrogen phosphate can be prepared from 3 mol of sodium hydroxide and phosphoric acid?

2394

In the calculation of calorific value of any fuel why the latent heat of vap. of water is taken as 587 kj/mol whereas actually it is 540kj/mol?

2335

What are the factors that affect the viscosity of a liquid?

1023

Tell me how many significant figures are there in the number 0.0036?

1046

Explain the secondary structure of proteins?

994

How does Protactinium contribute to our understanding of Earth's history and the behavior of elements in natural systems?

603

What is rs test why we are performing rs test?

1859

which question ask me in grasim in inerview?

2231

How can we calculate offset value pH measurment

1510

how we can identify the impurity is coming below loq at transfering site?

872

Consider the polymerization of vinylidene chloride, ch2=ccl2. What structural variations are possible in poly(vinylidene chloride)? : Polymer Chemistry

1507

Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?

1855

Mention a few application of cod test in environmental engineering practice.

1232

For More Un-Answered { Chemistry } Questions Click Here