Potassium nitrate (KNO₃) is commonly known as saltpetre. Historically, India was a major source of potassium nitrate, especially during the gunpowder era, leading to the name 'Indian Saltpetre'.
The Indian Salt Petre is
Asked in TNPSC CS Prelims 2019 · Topic: Inorganic Chemistry (Chemistry of Main Group Elements (s-block and p-block))
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