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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
उत्तर
True.
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संबंधित प्रश्न
A chemical called oxygenated water.
Why is oxygen collected by downward displacement of water?
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?
State the precautions while preparing oxygen in the labo-ratory.
Statement given below is incorrect. Write the correct statement :
Calcium burns in oxygen with a golden-yellow flame.
Statement given below is incorrect. Write the correct statement :
The oxygen gas turns moist blue litmus red.
(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?
State any four physical properties of oxygen gas.
Write fully balanced equation for the following :
Na2O + H2O →
