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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
The most abundant element in the earth’s crust.
Why is oxygen collected by downward displacement of water?
Name the three types of oxidation processes. In which of these large amount of heat and light energy are produced?
State the precautions while preparing oxygen in the labo-ratory.
Complete and balance the following equation
\[\ce{N2 + O2 ->[3000°C]}\]
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.
Statement given below is incorrect. Write the correct statement :
The oxygen gas turns moist blue litmus red.
Write ‘True’ or ‘False’ in front of following statement.
Liquid oxygen is used for burning fuel in spaceships.
Tick (√ ) the most appropriate answer.
When sulphur burns in oxygen, the colour of the flame is :
Give reasons for the following:
oxygens finds utility in welding & cutting of metals.
