Which of the inert gases can form compounds?
The function of skimming tank in sewage treatment is to remove
Bakelite is a copolymer of Phenol and
The chiefsource for the production of nitrogeneous fertilizers is :
The most abundant constituent of atmospheric air is
The chief source of naphthalene is
Mercury is a :
Taj Mahal is greatly affected due to:
Natural rubber is the polymer of:
Black lung disease occurs in people working in