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प्रश्न
Give reason for the following:
Commercial nitric acid is yellow in colour, but when it is diluted with water, it turns colourless.
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उत्तर
Commercial nitric acid is yellow in colour because of presence of nitrogen dioxide but when it is diluted with water, it turns colourless because nitrogen dioxide get dissolved in water.
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संबंधित प्रश्न
Write a balanced chemical equation for the following:
Action of cold and dilute Nitric acid on Copper
Write a balanced equation and name the products formed when cupric oxide reacts with nitric acid.
Explain with the help of a balanced equation the brown ring test for nitric acid.
Give reason for the following:
In laboratory preparation of nitric acid all the apparatus including cork should be made up of glass.
Write balanced equation and name the product formed when :
Concentrated nitric acid is heated.
Write a balanced equation for the production of nitrogen dioxide using copper.
During a thunderstorm, the rainwater contains nitric acid. The nitric acid is formed as a result of three chemical reactions. Describe or write balanced chemical equation for these three reactions.
Dilute nitric acid is generally considered a typical acid except for its reaction with metals. In what way is dilute nitric acid different from other acids when it reacts with metals?
Write a chemical equation to illustrate the acidic nature of nitric acid.
Name the gas evolved:
The gas produced on heating sodium nitrate.
