Advertisements
Advertisements
प्रश्न
Complete and balance the following equation
Al + O2 →
Advertisements
उत्तर
4Al + 3O2 → 2Al2O3
APPEARS IN
संबंधित प्रश्न
What is the role of manganese dioxide in the preparation of oxygen?
What happens when a glowing splinter is introduced in a jar containing oxygen ?
What happens when potassium nitrate is heated
How is oxygen naturally renewed in air ?
Fill in the blanks:
Oxygen is collected by the __________ displacement of ________.
State the use of manganese dioxide in the laboratory prepa-ration of oxygen from potassium chlorate.
Write ‘True’ or ‘False’ in front of following statement.
Under laboratory conditions, the oxygen gas is insoluble in water.
Tick (√ ) the most appropriate answer.
When sulphur burns in oxygen, the colour of the flame is :
State any four physical properties of oxygen gas.
Write fully balanced equation for the following :
SO2 + H2O →
