Chemistry Sea weeds are important source of Chlorine Bromine Iodine Iron Chlorine Bromine Iodine Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is an example of noble gas ? Chlorine Hydrogen Nitrogen Helium Chlorine Hydrogen Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a metallic ore ? Mica Feldspar Quartz Galena Mica Feldspar Quartz Galena ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method that cannot be used for removing permanent hardness of water is distillation adding sodium carbonate adding caustic soda boiling distillation adding sodium carbonate adding caustic soda boiling ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead pencil contains Graphite Ferrous sulphide Lead Lead sulphide Graphite Ferrous sulphide Lead Lead sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Substance used as an anti freeze in radiators of automobiles is : Methyl alcohol and H2O Methyl alcohol Ethyl alcohol Ethyl alcohol and H2O Methyl alcohol and H2O Methyl alcohol Ethyl alcohol Ethyl alcohol and H2O ANSWER DOWNLOAD EXAMIANS APP