Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 88 50 314 138 88 50 314 138 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in kidney stones? Calcium acetate Calcium oxalate Sodium chloride Sodium oxalate Calcium acetate Calcium oxalate Sodium chloride Sodium oxalate ANSWER DOWNLOAD EXAMIANS APP
Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to SO3 N2O NO2 SO2 SO3 N2O NO2 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals occurs in free state ? Copper Zinc Iron Lead Copper Zinc Iron Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is extracted from Haematite Cinnabar Dolomite Bauxite Haematite Cinnabar Dolomite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coating of solid waste with impervious material is known as Chemical fixation Landfill Capping Encapsulation Chemical fixation Landfill Capping Encapsulation ANSWER DOWNLOAD EXAMIANS APP