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प्रश्न
Fill in the blank :
____________ discovered the oxygen gas.
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उत्तर
Joseph Priestly discovered the oxygen gas.
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संबंधित प्रश्न
Fill in the blanks:
Oxygen is collected by the __________ displacement of ________.
Why is potassium chlorate is not used for laboratory preparation of oxygen ?
What happens when Sulphur burns in oxygen ? Also give the balanced chemical equation for the reaction.
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 :
Moist oxygen causes rusting in carbon.
Write ‘True’ or ‘False’ in front of following statement.
Under laboratory conditions, the oxygen gas is insoluble in water.
(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 →
Oxygen is a poor conductor of heat and electricity.
