The vast resources of unutilised natural gas can be used in the production of
A). Graphite
B). Synthetic petroleum
C). Fertilisers
D). Carbide
1. Which of the following is used to iodine common salt?
4. The gas that is used in the manufacture of vanaspati ghee is :
5. Which one of the following elements is used in the manufacture of fertilizers?
7. Ultraviolet radiation striking this earth is due to the depletion of
8. The acid present in red ants is
9. While catching a ball a player pulls down his hands to lower the