Chemistry Which of the following is not a method of preparing oxygen? Decomposition of potassium permanganate Electrolysis of water Decomposition of manganese dioxide Fractional distillation of liquid air Decomposition of potassium permanganate Electrolysis of water Decomposition of manganese dioxide Fractional distillation of liquid air ANSWER DOWNLOAD EXAMIANS APP
Chemistry The constituents of automobile exhaust that can cause cancer is/are : Carbon monoxide Lead Polycyclic hydrocarbons Oxides of nitrogen Carbon monoxide Lead Polycyclic hydrocarbons Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas causing acid rain in an industrial area is Sulphur dioxide Methane Carbon monoxide Carbon dioxide Sulphur dioxide Methane Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Removal of carbon particles from air involves the principle of Sedimentation Electrophoresis Precipitation Filteration Sedimentation Electrophoresis Precipitation Filteration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the inert gases can form compounds? Krypton Argon Helium Xenon Krypton Argon Helium Xenon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following acids is used in battery ? Sulphuric acid Hydrofluoric acid Hydrochloric acid Sulphurous acid Sulphuric acid Hydrofluoric acid Hydrochloric acid Sulphurous acid ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS