UPSC Combined Geo-Scientist, Mains · 2017 · Mains Paper I
Q3(a). Chemical methods for extracting iron, copper and gold
Question
In the estimation of iron, copper and gold, three chemical methods are employed. Comment on these methods and explain with the chemical reactions involved in the extraction of these metals.
Model answer
The free solution for 2017 answers questions 1, 2, 4, 7, 8 and 11, the ones picked in its time plan. This part is not answered on the site yet. New answers are announced on Telegram.
Part of VKC Basic
Read the key points and the full model answer with VKC Basic
VKC Basic (₹999 for 6 months) opens every solved answer, the notes, the handbook and the daily answer archive. Every Mains test series includes it.
Coversextraction of ironextraction of coppercyanide process for goldmetallurgy
All parts of Question 3
- 3(a) Chemical methods for extracting iron, copper and gold15 marks
- 3(b) Products of five inorganic reactions15 marks