Chemistry What is the element that is in the highest percentage in the composition of the earth ? Oxygen Magnesium Iron Silicon Oxygen Magnesium Iron Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial Vaseline is derived from Wool wax Coal tar Petroleum Plant gums Wool wax Coal tar Petroleum Plant gums ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baryllium Sulphate is less soluble in water due to Low Energy of dissociation Low inflammable energy High inflammable energy Lonic band Low Energy of dissociation Low inflammable energy High inflammable energy Lonic band ANSWER DOWNLOAD EXAMIANS APP
Chemistry Domestic cooking gas consists mostly of Methane and ethane Liquified butane and isobutane Ethylene and carbon monoxide Hydrogen and acetylene Methane and ethane Liquified butane and isobutane Ethylene and carbon monoxide Hydrogen and acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most acidic Na2O CaO Al22O3 MgO Na2O CaO Al22O3 MgO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water is Rain water Distilled water Ground water Tap water Rain water Distilled water Ground water Tap water ANSWER DOWNLOAD EXAMIANS APP