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प्रश्न
Give reasons for the following:
patients suffering from lung problems are kept in an oxygen tent.
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उत्तर
Patients suffering from lung problems are kept in an oxygen tent for artificial supply of oxygen.
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संबंधित प्रश्न
Why is hydrogen peroxide preferred in the preparation of oxygen gas ?
What happens when oxygen gas is passed through alkaline pyrogallol solution ?
Statement given below is incorrect. Write the correct statement :
Calcium burns in oxygen with a golden-yellow flame.
(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?
Describe what you will observe and write fully balanced equation when the following is introduced in a jar of oxygen.
Burning magnesium
State three uses of oxygen, other than artificial respiration.
Give reason for the following:
Oxygen gas does not affect moist blue litmus paper, but carbon dioxide turns it slightly pink.
Give reason for the following:
Oxidation of sulphur results in a product which turns moist blue litmus red.
Phosphorous bums with suffocating smell and gives ______.
Write a note on the rusting process.
