Chemistry Ruby and sapphire are oxides of Aluminium Iron Tin Copper Aluminium Iron Tin Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is known as carbolic acid? Ethanol Phenol Oxalic acid Acetic acid Ethanol Phenol Oxalic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Nitrogen dioxide Chlorofluorocarbon Sulphur dioxide Hydrogen sulphide Nitrogen dioxide Chlorofluorocarbon Sulphur dioxide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aluminium chloride is Arrhenius Acid Lewis Base Bronsted Lowry Acid Lewis Acid Arrhenius Acid Lewis Base Bronsted Lowry Acid Lewis Acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful Solar ultraviolet radiation CO2 in the air Solar infrared radiation SO2 in the air Solar ultraviolet radiation CO2 in the air Solar infrared radiation SO2 in the air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Smelting Slugging Leaching Zone melting Smelting Slugging Leaching Zone melting ANSWER DOWNLOAD EXAMIANS APP