Advertisements
Advertisements
प्रश्न
Answer the question put against the following constituents of air :
Oxygen : What is the percentage proportion of oxygen in air ? Why is oxygen called active air.
एक पंक्ति में उत्तर
Advertisements
उत्तर
20.9%, oxygen is called active air because it supports life on earth. It is essential for the process of combustion.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
