UPSC Combined Geo-Scientist, Mains · 2018 · Mains Paper III

Q2(f). Primary and secondary standards

5 marks
Topic: Analysis of geological materials
Question only

Question

Distinguish between primary standard and secondary standard in volumetric analysis.

Model answer

The free solution for 2018 answers questions 1, 4, 5, 6, 7 and 10, the ones picked in its time plan. This part is not answered on the site yet. New answers are announced on Telegram.

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Coversprimary standardsecondary standardstandardisationvolumetric analysis

All parts of Question 2

2(a) Co-precipitation and post-precipitation5 marks
2(b) Iodimetry and iodometry5 marks
2(c) GLC and HPLC5 marks
2(d) Proximate and ultimate analysis of coal5 marks
2(e) Aniline point and cloud point5 marks
2(f) Primary and secondary standards5 marks