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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
Name the oxide of nitrogen which turns brown on exposure to air. How is it prepared?
Name the following :
Gas produced in air during lighting.
What is meant by the following term?
Decrepitation
Name the catalyst used in Ostwald process.
Give reason for the following :
Nitric acid usually does not yield hydrogen from acids.
Give two chemical tests for nitric acid.
What happen when (Given balanced equation) :
Nitric acid is dissolved in large amount of water?
Explain the following :
An all glass apparatus is used in the laboratory preparation of nitric acid.
Complete the table:
| Name of Process | Inputs | Equation | Output |
| Ammonia + Air | Nitric acid |
