Chemistry Which of the following chemicals is used in photography ? Sodium chloride Silver bromide Aluminium hydroxide Potassium nitrate Sodium chloride Silver bromide Aluminium hydroxide Potassium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Nitrogen dioxide Chlorofluorocarbon Hydrogen sulphide Sulphur dioxide Nitrogen dioxide Chlorofluorocarbon Hydrogen sulphide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The BOD values of water indicate the Amount of ozone used for biochemical oxidation Amount of organic debris Amount of oxygen used for biochemical oxidation Amount of oxygen used for biochemical reduction Amount of ozone used for biochemical oxidation Amount of organic debris Amount of oxygen used for biochemical oxidation Amount of oxygen used for biochemical reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical that is used to ripen mangoes is Calcium sulphide Calcium chloride Calcium carbide Calcium carbonate Calcium sulphide Calcium chloride Calcium carbide Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the major pollutants of cigarette smoke? Carbon monoxide and dioxin Carbon monoxide and nicotine Carbon monoxide and benzene Dioxin and benzene Carbon monoxide and dioxin Carbon monoxide and nicotine Carbon monoxide and benzene Dioxin and benzene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following mineral does not contain oxygen ? Calcite Cryolite Bauxite Haematite Calcite Cryolite Bauxite Haematite ANSWER DOWNLOAD EXAMIANS APP