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प्रश्न
Write ‘True’ or ‘False’ in front of following statement.
Liquid oxygen is used for burning fuel in spaceships.
पर्याय
True
False
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उत्तर
True.
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संबंधित प्रश्न
Give four uses of oxygen.
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphur dioxide gas, precipitation, helium
Every nine parts of water by weight contains eight parts by weight of _________.
Fill in the blanks:
Oxygen is collected by the __________ displacement of ________.
Complete and balance the following equation
Al + O2 →
Statement given below is incorrect. Write the correct statement :
Moist oxygen causes rusting in carbon.
(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?
Write fully balanced equation for the following :
SO2 + H2O →
Write fully balanced equation for the following :
Na2O + H2O →
Give reasons for the following:
patients suffering from lung problems are kept in an oxygen tent.
Oxygen is a poor conductor of heat and electricity.
