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प्रश्न
What happens when a glowing splinter is introduced in a jar containing oxygen ?
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उत्तर
Introduction of glowing splinter in the jar. The glowing splinter rekindles, but the gas does not catch fire.
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संबंधित प्रश्न
Taking hydrogen peroxide, how would you prepare oxygen in the laboratory ?
Why is hydrogen peroxide preferred in the preparation of oxygen gas ?
Name the three types of oxidation processes. In which of these large amount of heat and light energy are produced?
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphur dioxide gas, precipitation, helium
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Fill in the blanks:
Oxygen is collected by the __________ displacement of ________.
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\[\ce{N2 + O2 ->[3000°C]}\]
Statement given below is incorrect. Write the correct statement :
Calcium burns in oxygen with a golden-yellow flame.
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.
