Chemistry What is a mixture of potassium nitrate, powdered charcoal and sulphur called? Gun powder Paint Glass Cement Gun powder Paint Glass Cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Carbonates from soil Carbon dioxide Oxides of mineral elements Water Carbonates from soil Carbon dioxide Oxides of mineral elements Water 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 acid is used in Lead storage battery? Acetic acid Sulphuric acid Hydrochloric acid Nitric acid Acetic acid Sulphuric acid Hydrochloric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Thermal electricity is generated by using which of these ? Coal only None of these Coal, Natural Gas and Petroleum Coal and Natural Gas only Coal only None of these Coal, Natural Gas and Petroleum Coal and Natural Gas only ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the major pollutants of cigarette smoke? Carbon monoxide and benzene Carbon monoxide and nicotine Carbon monoxide and dioxin Dioxin and benzene Carbon monoxide and benzene Carbon monoxide and nicotine Carbon monoxide and dioxin Dioxin and benzene ANSWER DOWNLOAD EXAMIANS APP
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