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प्रश्न
Fill in the blank space by choosing the correct word from the given list.
List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
Potassium nitrate crystals on heating strongly yield potassium nitrite and ________ gas.
उत्तर
Potassium nitrate crystals on heating strongly yield potassium nitrite and oxygen gas.
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संबंधित प्रश्न
Why is hydrogen peroxide preferred in the preparation of oxygen gas ?
Fill in the blank :
Oxygen occupies about _____% of air by volume.
Fill in the blank:
Oxygen occupies about ______ of air by volume.
Why is potassium chlorate is not used for laboratory preparation of oxygen ?
Give balanced equation to obtain oxygen from Silver oxide.
Fill in the blank space by choosing the correct word from the given list.
List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
Phosphorus pentaoxide on dissolving in water forms _________ acid.
Tick (√ ) the most appropriate answer.
When sulphur burns in oxygen, the colour of the flame is :
State any four physical properties of oxygen gas.
Write fully balanced equation for the following :
Na2O + H2O →
Write the reaction of oxygen with non–metals.
