Chemistry Petroleum consists of a mixture of Carbonates Hydrocarbons Carbides Carbohydrates Carbonates Hydrocarbons Carbides Carbohydrates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnetite is 2Fe2O3. 3H2O FeCO3 Fe2O3 Fe3O4 2Fe2O3. 3H2O FeCO3 Fe2O3 Fe3O4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The scientist who experimentally proved the existance of positron is Anderson Bohr Bethe Fermi Anderson Bohr Bethe Fermi ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for filling weather balloons is Hydrogen Nitrogen Helium Air Hydrogen Nitrogen Helium Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Carbon Dioxide Marsh gas Carbon Monoxide Hydrogen Carbon Dioxide Marsh gas Carbon Monoxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the components responsible for acid rain? Oxides of carbon (COx) and Oxides of nitrogen (NOx) Nitrogen monoxide (NO) and Carbon monoxide (CO) Carbon dioxide (CO2) and Carbon monoxide (CO) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) Oxides of carbon (COx) and Oxides of nitrogen (NOx) Nitrogen monoxide (NO) and Carbon monoxide (CO) Carbon dioxide (CO2) and Carbon monoxide (CO) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) ANSWER DOWNLOAD EXAMIANS APP