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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
Phosphorus pentaoxide on dissolving in water forms _________ acid.
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उत्तर
Phosphorus pentaoxide on dissolving in water forms phosphoric acid.
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संबंधित प्रश्न
Two substances from which oxygen can be obtained at a large scale.
Why is hydrogen peroxide preferred in the preparation of oxygen gas ?
What happens when a glowing splinter is introduced in a jar containing oxygen ?
What happens when oxygen gas is passed through alkaline pyrogallol solution ?
Fill in the blank:
Manganese dioxide acts as a _________.
Complete and balance the following equation
Al + O2 →
Fill in the blank space by choosing the correct word from the given list.
List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
The nitric oxide gas reacts with the oxygen and water vapour to form ______ vapour.
Write ‘True’ or ‘False’ in front of following statement.
Under laboratory conditions, the oxygen gas is insoluble in water.
Tick (√ ) the most appropriate answer.
When sulphur burns in oxygen, the colour of the flame is :
Give reasons for the following:
patients suffering from lung problems are kept in an oxygen tent.
