Chemistry What is the element that is in the highest percentage in the composition of the earth ? Iron Silicon Oxygen Magnesium Iron Silicon Oxygen Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nuclear particles which are assumed to hold the nucleons together are positrons electrons mesons neutrons positrons electrons mesons neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most electronegative Tin Carbon Silicon Lead Tin Carbon Silicon Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Physico-chemical characteristics of water in water sources undergo changes due to Aquatic macrophytes Effluents Evapotranspiration Auatic fungi Aquatic macrophytes Effluents Evapotranspiration Auatic fungi ANSWER DOWNLOAD EXAMIANS APP
Chemistry 1 carat of diamond is equal to 100 g 100 mg 200 g 200 mg 100 g 100 mg 200 g 200 mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of an elimination reaction a condensation reaction an oxidation reaction an addition reaction an elimination reaction a condensation reaction an oxidation reaction an addition reaction ANSWER DOWNLOAD EXAMIANS APP