Which of the following pollutants is absent in the emissions from a fertiliser plant ?

Related Mcqs:

The term Biological Oxygen Demand (BOD) is used in relation to ______________________?

A. Potable water B. Cooling water C. Distilled water D. Industrial effluents...

Which of the following is the most lethal water pollutant ?

A. Phenol and cyanide B. Chlorine C. Alkalis D. Suspended solids...

Higher concentration of CO2 in atmosphere_____________________?

A. Allows visible solar radiation (ultraviolet) of short wave-length to pass through B. Reflects and absorbs the longer wavelength (infra-red) radiations C. Prevents solar heat being radiated out completely, resulting in ‘heat trap’ i.e., global warming D. All A., B. and C....

Which is the most widely used coagulant for the treatment of turbid water ?

A. Alum (aluminium sulphate) B. Lime C. Ferric chloride D. Sodium aluminate...

Irradiation of water by ultraviolet light of suitable wavelength is commonly used for disinfection of water in___________________?

A. Food industry B. Municipal sewage treatment C. Petroleum refinery D. Iron & steel plant...