What initiative has the Indian Navy launched to provide

Which of the following processes is used for the production of Biodiesel? 

The chemical bahaviour of an atom depends upon 

Which one of the following contributes largely to the greenhouse effect?

Alcoholic (OH) group can be identified by

Of the following which one pollutes the air of abig city? 

The chiefsource for the production of nitrogeneous fertilizers is : 

In addition to hydrogen the other abundant element present on Sunsurface is

The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called: 

One property of ammonia is 

Spirit in contact with body gives cool sensation because it is: