Chemistry What is the element that is in the highest percentage in the composition of the earth ? Oxygen Magnesium Silicon Iron Oxygen Magnesium Silicon Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder is an alloy of Copper, lead Tin, lead Sodium, lead Lead, zinc Copper, lead Tin, lead Sodium, lead Lead, zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of removing calcium and magnesium from hard water is known as Filtration Sedimentation Water softening Flocculation Filtration Sedimentation Water softening Flocculation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the human body is Carbon Nitrogen Oxygen Iron Carbon Nitrogen Oxygen Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The charcoal used to decolourise brown sugar solution is Sugar charcoal Coconut charcoal Animal charcoal Wood charcoal Sugar charcoal Coconut charcoal Animal charcoal Wood charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nucleons are regarded as composites sub-particles known as Quarks Photons Leptons Mesons Quarks Photons Leptons Mesons ANSWER DOWNLOAD EXAMIANS APP