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प्रश्न
Complete and balance the following equation
Al + O2 →
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उत्तर
4Al + 3O2 → 2Al2O3
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संबंधित प्रश्न
A chemical called oxygenated water.
What is the role of manganese dioxide in the preparation of oxygen?
What happens when oxygen gas is passed through alkaline pyrogallol solution ?
Fill in the blanks:
Oxygen is collected by the __________ displacement of ________.
State the precautions while preparing oxygen in the labo-ratory.
Complete and balance the following equation
S + O2 →
Fill in the blank space by choosing the correct word from the given list.
List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
Phosphorus pentaoxide on dissolving in water forms _________ acid.
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?
Oxygen is a poor conductor of heat and electricity.
