Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Ion exchange process 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is ethane carbon dioxide ethylene acetylene ethane carbon dioxide ethylene acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used chemicals in the artificial rainmaking or cloud seeding are All of these Dry Ice (Frozen CO2) Sodium Chloride (NaCl) Silver Iodide (Ag I) All of these Dry Ice (Frozen CO2) Sodium Chloride (NaCl) Silver Iodide (Ag I) ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of High density, due to closed packing of atoms Reflection of light due to the presence of free electrons High polish Absorption of light due to the presence of cavities High density, due to closed packing of atoms Reflection of light due to the presence of free electrons High polish Absorption of light due to the presence of cavities ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of gobar gas is Isobutane Butane Carbon dioxide Methane Isobutane Butane Carbon dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal extracted from Bauxite is : Aluminum Manganese Silver Copper Aluminum Manganese Silver Copper ANSWER DOWNLOAD EXAMIANS APP