Chemistry Which one of the following mineral does not contain oxygen ? Bauxite Haematite Cryolite Calcite Bauxite Haematite Cryolite Calcite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal ion present in Vitamin B12 is Zinc Cobalt Nickel Iron Zinc Cobalt Nickel Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is used in Space Crafts to withstand high temperatures ? Ti Pb Ni Fe Ti Pb Ni Fe ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the highest electronegativity value Chlorine Nitrogen Fluorine Lithium Chlorine Nitrogen Fluorine Lithium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical formula of washing soda is Na2CO3.10H2O NaHCO3 Na2SO4.10H2O Ca(OH)2 Na2CO3.10H2O NaHCO3 Na2SO4.10H2O Ca(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Nitrogen dioxide Chlorofluorocarbon Sulphur dioxide Hydrogen sulphide Nitrogen dioxide Chlorofluorocarbon Sulphur dioxide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP