Chemistry Inert gases are Not stable Chemically very active Miscible with water Chemically unreactive Not stable Chemically very active Miscible with water Chemically unreactive ANSWER DOWNLOAD EXAMIANS APP
Chemistry A mixture of water and alcohol can be separated by Distillation Filtration Decantation Evaporation Distillation Filtration Decantation Evaporation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The three elements most needed in common fertilisers are : Sulphur, Phosphorous and Sodium Phosphorous, Sodium and Nitrogen Nitrogen, Potassium and Phosphorous Calcium, Phosphorous and Potassium Sulphur, Phosphorous and Sodium Phosphorous, Sodium and Nitrogen Nitrogen, Potassium and Phosphorous Calcium, Phosphorous and Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical properties of isotopes Must be different Need not be different Must be same Need not be same Must be different Need not be different Must be same Need not be same ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number is the number equal to Protons Neutrons None of these Electrons Protons Neutrons None of these Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Chlorination Oxidation followed by settling and filtration Lime soda process or manganese zeolite process Ion exchange process Chlorination Oxidation followed by settling and filtration Lime soda process or manganese zeolite process Ion exchange process ANSWER DOWNLOAD EXAMIANS APP