The hottest part of the gas flame is known as
A). Blue zone
B). Non-luminous zone
C). Luminous zone
D). Dark zone
Luminous zone
The hottest part of the gas flame is known as luminous zone.
1. Hydrogen is not found in atmosphere because
3. The chiefsource for the production of nitrogeneous fertilizers is :
5. Which one of the following organic compounds has fruity smell?
6. The gas which emits from rice field is
7. Chromite is an ore/mineral of