Advertisements
Advertisements
प्रश्न
Complete and balance the following equation
Al + O2 →
उत्तर
4Al + 3O2 → 2Al2O3
APPEARS IN
संबंधित प्रश्न
What is the role of manganese dioxide in the preparation of oxygen?
Why is hydrogen peroxide preferred in the preparation of oxygen gas ?
Statement given below is incorrect. Write the correct statement :
The percentage of oxygen in air by volume, varies from 21% to 22%.
Fill in the blank:
Oxygen is slightly _________ than air.
Fill in the blanks:
Oxygen is collected by the __________ displacement of ________.
Fill in the blank:
Oxygen is ___________ to litmus testing.
State the use of manganese dioxide in the laboratory prepa-ration of oxygen from potassium chlorate.
Statement given below is incorrect. Write the correct statement :
The oxygen gas turns moist blue litmus red.
Give tests for oxygen gas.
Write a note on the rusting process.
