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प्रश्न
Name the gas evolved:
The gas produced on heating sodium nitrate.
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उत्तर
Oxygen gas is evolved on heating sodium nitrate.
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संबंधित प्रश्न
Why is the temperature maintained at 200°C in the above reaction?
Give reason for the following:
Commercial nitric acid is yellow in colour, but when it is diluted with water, it turns colourless.
Write balanced equation and name the product formed when :
Concentrated nitric acid is heated.
Fill in the blank with appropriate word/words.
Aqua regia is a mixture of _______ and________
Give reason for the following:
Commercial concentrated nitric acid is yellow in colour, but when it is dilute with water, it turns colourless.
Give one chemical test for nitric acid.
Write the balanced equation for the equation preparation of nitric acid from potassium nitrate.
State, what is observe when nitric acid is kept in a reagent bottle for a long time.
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Explain why nitric acid is kept in a reagent bottle for a long time.
The figure given below illustrates the apparatus used in the laboratory preparation of nitric acid.
- Name A (a liquid), B (a solid), and C (a liquid). (Do not give the formulae.)
- Write an equation to show how nitric acid undergoes decomposition.
- Write the equation for the reaction in which copper is oxidised by concentrated nitric acid.
