Normally entropy is expressed as q/T. But, work and heat have same unit. Why can't it be replaced by work?

2258

What is the difference between purge septum flow and column flow in gas chromatography?

2584

As a chemist working with Protactinium, what safety measures and precautions would you take due to its radioactivity?

574

What is use of acetonitrile compare to methanol in RP-HPLC Method development?

1994

Explain the process of protactinium-uranium fractionation and its implications for understanding geological and geochemical processes.

704

Practically why we get negative absorption in UV SPECTROPHOTOMETER when the time of cleaning sample analysis. is negative absorption in Uv valid or not?

2404

in which situation ion pair agent require to use?

737

What is importance of pH in the Heavy metal test and How it effect on the test results?

2283

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

1046

for heavy metal test lead used in which form pure form or any other form for preparation of lead standard sol

6070

Actinium is often considered a rare and scarce element. How does its rarity impact its industrial uses and research purposes?

557

mahagenco syllabus for the post of chemist

6476

A polymer's structure influences its physical properties. Describe two structural variations that are possible for polypropylene but not for polyethylene. : Polymer Chemistry

1103

Qc interview questions

1741

Why potassium dichromate is used in calibration of uv?

1986