Who among the following rulers appointed Ladha and

“Firefighting clothes” are made from

Taj Mahal is greatly affected due to: 

KMN04 can be used as a/an

The mass number of a nucleus is

When water itself combines chemically with some element or mineral it is called 

The chiefsource for the production of nitrogeneous fertilizers is : 

The electronic configuration of an atom having atomic number 20 is 

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

Which of the following is the major constituent of LPG? 

Ozone layer is present in