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

GIVE FTIR SAMPLING ASSESORY NAME.

2567

Which std. used for standrdisation of ZnSO4?

1 3291

In GC and HPLC ,how we can decide which of following method will be suitable or use for quantitation of chromatogram at the time of method development. 1.Area Normalisation 2.External standard method 3.Internal standard method

Atul,

1 7369

In Stability testing if significant change occurs then what will be the action plan?

Cipla,

2 12426

what is mean by profiling of dissolution

1 8067

what is the significance of control of absorbance in UV?

2310

How decided 10 ppm standard solution in Swab, rinse method.?

2 9158

What is OOS $ OOT ?

Alkem Labs,

1 8354

Why water is not detected in GC & solvents are not detected in HPLC?

Alkem Labs,

1 6729

Why water is not detected in GC & solvents are not detected in HPLC?

Alkem Labs,

2 11470

WHAT IS THE LIQUID PHASE IN DB-624 COLUMN IN GCHS

3 10093

In capadity factor formula is K'= (RT of main compound/RT of first eluted peak)-1 in this formula what is 1

Piramal Healthcare,

1 7155

WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE

2186

Why we inject a standard 6 times for Related substances by HPLC and 5 times for Assay?

GVK,

3 21956

In HPLC (Waters) software Empower1,2 &3 what is the updation for each version

APL,

3090

Un-Answered Questions { Chemistry }

why cone formation during dissolution?

852

In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )

3558

How can the GC or HPLC method is selected to determine the impurity profile in drug product?

7685

We use hicrome 10 cxs column in hplc analysis....pls tell me.. what is the meaning of 10 cxs?

1786

what is difference b/w "regio selectivity" & "sterio selectivity"

2497

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

1103

Discuss the historical significance of Actinium and its discovery in the context of the periodic table.

782

what is mean by dissolution biowaiver study?

1001

Protactinium-234 is an important tool for studying ocean circulation. How is it utilized in oceanographic research?

666

Explain the process of spontaneous combustion?

1088

from where i get mortar pastle for glass bottle crush? it's required for testing of it?

2333

CAN WE DETERMINE THE PEAK PURITY IN GAS CHROMATOGRAPHY ANALYSIS?

1264

identification is for unknown? qualification for known? reporting for LOQ?

780

Explain what are the hydrocarbons?

1124

What is the min constitutes of haematite ore?

1146

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