Chemistry Which of the following fuels causes minimum environmental pollution? Kerosene Hydrogen Coal Diesel Kerosene Hydrogen Coal Diesel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a solution of molten copper in Solid zinc Gaseous zinc Molten zinc Molten tin Solid zinc Gaseous zinc Molten zinc Molten tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is a by product of sewage treatment and can be decomposed to produce biogas Scum Sludge Sewage Sewer Scum Sludge Sewage Sewer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one amongst the following is not a Green House gas? Carbon dioxide Carbon Monoxide Nitrogen Chloro fluoro carbons Carbon dioxide Carbon Monoxide Nitrogen Chloro fluoro carbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 50 88 138 314 50 88 138 314 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In drinking water supply, which of the following treatments is not involved Sedimentation Softening Disinfection Coagulation Sedimentation Softening Disinfection Coagulation ANSWER DOWNLOAD EXAMIANS APP