Chemistry Which one of the following mineral does not contain oxygen ? Bauxite Haematite Calcite Cryolite Bauxite Haematite Calcite Cryolite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid rain destroys vegetations because it contains Nitric acid Carbon monoxide Ozone Sulphuric acid Nitric acid Carbon monoxide Ozone Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tetra ethyle lead (TEL) is A reductant A catalyst in burning fossil fuel An antioxidant An antiknock compound A reductant A catalyst in burning fossil fuel An antioxidant An antiknock compound ANSWER DOWNLOAD EXAMIANS APP
Chemistry The highest volume of gases in lower atmosphere is comprised of Oxygen Hydrogen Nitrogen Carbon dioxide Oxygen Hydrogen Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical composition of cement is Limestone and Gypsum Limestone, Clay and Gypsum Limestone and Clay Clay and Gypsum Limestone and Gypsum Limestone, Clay and Gypsum Limestone and Clay Clay and Gypsum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to extinguish fire is Nitrogen Neon Carbon monoxide Carbon dioxide Nitrogen Neon Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP