allerySodium nitrate found in the earth's crust is called:
ABengal saltpetre
BArabic saltpetre
CChile saltpetre
DIndian saltpetre
Answer & Solution
Correct answer: C. Chile saltpetre
1. Two nitrates occur naturally and carry place names.
2. Potassium nitrate is known as Indian saltpetre.
3. Sodium nitrate is known as Chile saltpetre.
_Source: syllabus Chemistry, Chapter 7, The p-Block Elements._
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