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Gypsum
Chalk
Molybdenum
Marble
Which among the given is not a gaseous air pollutant
Which among the given is not a greenhouse gas -
Which among the given is not a method of preparing oxygen
Which among the given is not present in German-silver
Which among the given is not soluble in water -
Which among the given is present in Chlorophyll molecule
Which among the given is the best fuel in terms of energy released per gram of fuel -
Which among the given is the main compound of voter ink -
Which among the given is the main nitrogenous waste in humans
Which among the given is the major constituent of LPG -