Chemistry The process of removing calcium and magnesium from hard water is known as Sedimentation Filtration Water softening Flocculation Sedimentation Filtration Water softening Flocculation ANSWER DOWNLOAD EXAMIANS APP
Chemistry When quick lime is added to water Heat is liberated Heat is absorbed Temperature decreases No heat change takes place Heat is liberated Heat is absorbed Temperature decreases No heat change takes place ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rutherford’s scattering experiment proved the presence of Atoms in all matter Electrons in atoms Neutrons in atoms Nucleus in atoms Atoms in all matter Electrons in atoms Neutrons in atoms Nucleus in atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry This group of alumino-silicate minerals is widely used in making electrical insulators Bauxite Manganese Chromite Mica Bauxite Manganese Chromite Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of elements in the Periodic table 127 112 118 115 127 112 118 115 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Citric acid is present in free form in Apple Lemon Milk Tamarind Apple Lemon Milk Tamarind ANSWER DOWNLOAD EXAMIANS APP