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Q.
"Chile saltpetre" is an ore of
NTA AbhyasNTA Abhyas 2020General Principles and Processes of Isolation of Elements
Solution:
Sodium nitrate is $ \, \text{N}\text{a}\text{N}\text{O}_{3}$ . It's salt is known as Chile saltpetre or Peru saltpetre(due to large deposits found in the Atacama desert in these countries).