Chemistry Iron filings can be separated from a heterogenous mixture using the technique of : Sedimentation Evaporation Magnetization Sublimation Sedimentation Evaporation Magnetization Sublimation ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 4 3 2 5 4 3 2 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of gas constant R in Ergs deg–1 mole–1 is 8.413 × 107 8.341 × 107 8.314 × 107 4.183 × 107 8.413 × 107 8.341 × 107 8.314 × 107 4.183 × 107 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Malathion is a/an Insecticide Preservative Pesticide Fumigant Insecticide Preservative Pesticide Fumigant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main source of lead pollution is from Insecticides Leaded gasoline Tobacco Sewage Insecticides Leaded gasoline Tobacco Sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecular mass of a gas is Twice its vapour pressure Half its vapour pressure Not related to its vapour pressure Equal to its vapour pressure Twice its vapour pressure Half its vapour pressure Not related to its vapour pressure Equal to its vapour pressure ANSWER DOWNLOAD EXAMIANS APP