Chemistry Magnetite is 2Fe2O3. 3H2O FeCO3 Fe2O3 Fe3O4 2Fe2O3. 3H2O FeCO3 Fe2O3 Fe3O4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 5 2 3 4 5 2 3 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Hydrogen Marsh gas Carbon Monoxide Carbon Dioxide Hydrogen Marsh gas Carbon Monoxide Carbon Dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The isomerism which exists between CH3CHCI2 and CH2CI. CH2CI is functional group isomerism chain isomerism positional isomerism metamerism functional group isomerism chain isomerism positional isomerism metamerism ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is extracted from Dolomite Cinnabar Haematite Bauxite Dolomite Cinnabar Haematite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Domestic sewage Paints Acid Plants Wood burning Domestic sewage Paints Acid Plants Wood burning ANSWER DOWNLOAD EXAMIANS APP