Advertisements
Advertisements
प्रश्न
Two substances which undergo rapid oxidation.
उत्तर
Sodium, carbon.
APPEARS IN
संबंधित प्रश्न
Taking hydrogen peroxide, how would you prepare oxygen in the laboratory ?
What happens when potassium nitrate is heated
How is oxygen naturally renewed in air ?
Fill in the blank :
Oxygen occupies about _____% of air by volume.
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.
State two characteristics of Basic oxides.
Tick (√ ) the most appropriate answer.
The catalyst used in the preparation of oxygen from hydrogen peroxide is :
Give reasons for the following:
patients suffering from lung problems are kept in an oxygen tent.
Mention the physical properties of oxygen.
