Chemistry The water pollution in river is measured by the dissolved amount of Chlorine Ozone Oxygen Nitrogen Chlorine Ozone Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Silicon Sulphur Magnesium Phosphorous Silicon Sulphur Magnesium Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of halogen elements found in the periodic table is 8 5 13 3 8 5 13 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The basic chemical building block of natural rubber obtained from trees is Isoprene Vinyl Chloride Acetylene Neoprene Isoprene Vinyl Chloride Acetylene Neoprene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Williamson's synthesis is widely used in the laboratory preparation of Aldehydes Esters Alcohols Ethers Aldehydes Esters Alcohols Ethers ANSWER DOWNLOAD EXAMIANS APP
Chemistry Limestone is a raw material used by which industry? Cement Fertilizers Petrochemicals Aluminium Cement Fertilizers Petrochemicals Aluminium ANSWER DOWNLOAD EXAMIANS APP