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प्रश्न
Give reason for the following:
Nitric acid is used in purification of gold.
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उत्तर
Nitric acid is used in the purification of gold because impurities of other metals are dissolved in it.
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संबंधित प्रश्न
Write a balanced chemical equation for the following:
Action of cold and dilute Nitric acid on Copper
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Ferric nitrate
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Name the oxide of nitrogen which turns brown on exposure to air. How is it prepared?
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Nitric acid is dissolved in large amount of water?
Choose the correct answer from the option given below :
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