Chemistry Physico-chemical characteristics of water in water sources undergo changes due to Auatic fungi Aquatic macrophytes Evapotranspiration Effluents Auatic fungi Aquatic macrophytes Evapotranspiration Effluents ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following coal contains 90 per cent of carbon? Lignite Peat Bitumen Anthracite Lignite Peat Bitumen Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rutherford’s scattering experiment proved the presence of Neutrons in atoms Atoms in all matter Nucleus in atoms Electrons in atoms Neutrons in atoms Atoms in all matter Nucleus in atoms Electrons in atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching action of moist sulphur di-oxide is because of its Oxidising property Acidic property Basic property Reducing property Oxidising property Acidic property Basic property Reducing property ANSWER DOWNLOAD EXAMIANS APP
Chemistry Poison used for killing rats is Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) Magnesium phosphide (Mg3P2) Magnesium nitride (Mg3N2) Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) Magnesium phosphide (Mg3P2) Magnesium nitride (Mg3N2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the major pollutants of cigarette smoke? Carbon monoxide and dioxin Carbon monoxide and benzene Carbon monoxide and nicotine Dioxin and benzene Carbon monoxide and dioxin Carbon monoxide and benzene Carbon monoxide and nicotine Dioxin and benzene ANSWER DOWNLOAD EXAMIANS APP