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प्रश्न
Statement given below is incorrect. Write the correct statement :
Calcium burns in oxygen with a golden-yellow flame.
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उत्तर
Sodium burns in oxygen with a golden yellow flame.
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संबंधित प्रश्न
A chemical called oxygenated water.
Statement given below is incorrect. Write the correct statement :
The percentage of oxygen in air by volume, varies from 21% to 22%.
State the use of manganese dioxide in the laboratory prepa-ration of oxygen from potassium chlorate.
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 :
Oxygen is prepared in laboratory by treating hydrogen oxide with manganese dioxide.
State any four physical properties of oxygen gas.
Write fully balanced equation for the following :
SO2 + H2O →
Write fully balanced equation for the following :
Na2O + H2O →
Give reason for the following:
Oxygen gas does not affect moist blue litmus paper, but carbon dioxide turns it slightly pink.
Write a note on the rusting process.
