Chemistry Ozone depletion in the atmosphere is mainly caused by Sulphur dioxide Nitrogen dioxide Chlorofluorocarbon Hydrogen sulphide Sulphur dioxide Nitrogen dioxide Chlorofluorocarbon Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical substance present in bones and teeth is Calcium sulphate Calcium borate Calcium chloride Calcium phosphate Calcium sulphate Calcium borate Calcium chloride Calcium phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Carbon monoxide Carbon dioxide Smoke Sulphur dioxide Carbon monoxide Carbon dioxide Smoke Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum is a mixture of Polymers Salts Elements Hydrocarbons Polymers Salts Elements Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Yellow Cake' an item of smuggling across border is A crude from of heroin Uranium oxide A crude from of cocaine Unreformed gold A crude from of heroin Uranium oxide A crude from of cocaine Unreformed gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water in nature is Lake water Sea water Rain water River water Lake water Sea water Rain water River water ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS