Chemistry What particles move around the nucleus of an atom and are negatively charged? Neutrons Positrons Electrons Protons Neutrons Positrons Electrons Protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following type of coal has the lowest proportion of volatile matter ? Bituminous Peat Anthracite Lignite Bituminous Peat Anthracite Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Steam engine Coal fire Burning garbage Burning coal Steam engine Coal fire Burning garbage Burning coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Quartz is a crystalline form of Limestone Silica Glass Alumina Limestone Silica Glass Alumina ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used for refrigeration? Freon Chlorine Phosphine Sulphur dioxide Freon Chlorine Phosphine Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Forth floatation process to concentrate the minerals is applicable to Calamine Bauxite Chalcopyrites Haematite Calamine Bauxite Chalcopyrites Haematite ANSWER DOWNLOAD EXAMIANS APP