The gas used to extinguish fire is
A). Neon
B). Nitrogen
C). Carbon dioxide
D). Carbon monoxide
Carbon dioxide
It is because carbon dioxide does not support combustion. When sprayed on burning object it stops the supply of oxygen and extinguishes fire.
1. The Chemical formula of Urea is
2. Phosphorus is kept in water because
4. A polymeric substance used to make parachute is
5. The main mineral constituents of the continental mass are ________ and alumina.
6. Which of the following substance's smell is similar to Ethanoic acid?
7. Which of the following metals is used in Space Crafts to withstand high temperatures ?