Question

Chile saltpetre is an ore of which metal​

Answer 1

it is the ore of sodium

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Answer 2

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Chile salt petre is made up of sodium ores. It is made up of sodium compound called sodium nitrate. It is white crystalline substance having a cooling, saline, slightly bitter taste and deliquescent. It is a sodium salt of nitric acid. It is salt of nitric acid called nitrates. It is formed by the neutralization reaction of sodium hydroxide and nitric acid. It is a neutral salt. It is used in cooking foods.