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प्रश्न
Fill in the blanks:
Oxygen is collected by the __________ displacement of ________.
उत्तर
Oxygen is collected by the downward displacement of water.
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संबंधित प्रश्न
A chemical called oxygenated water.
Taking hydrogen peroxide, how would you prepare oxygen in the laboratory ?
Why is oxygen collected by downward displacement of water?
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 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.
Tick (√ ) the most appropriate answer.
When sulphur burns in oxygen, the colour of the flame is :
(a) Starting from hydrogen peroxide how is oxygen gas prepared in laboratory?
(b) What is the function of manganese dioxide?
(c) Write fully balanced equation for the liberation of oxygen from hydrogen peroxide.
(d) Why is the above method preferred to any other method?
Give reasons for the following:
patients suffering from lung problems are kept in an oxygen tent.
Write the reaction of oxygen with non–metals.
