Chemistry The metal that is usually extracted from sea water is Na Ca Mg K Na Ca Mg K ANSWER DOWNLOAD EXAMIANS APP
Chemistry The components of water can be separated by Physical methods They can not be separated Chemical methods Both A and B Physical methods They can not be separated Chemical methods Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemistry Liquid Nitrogen boils at 97 Kelvin 77 kelvin 54 kelvin 82 Kelvin 97 Kelvin 77 kelvin 54 kelvin 82 Kelvin ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following states maximum iron ore is found ? FeCO3 FeS2 Fe3O4 Fe2O3 FeCO3 FeS2 Fe3O4 Fe2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The green colour seen in firework displays is due to the chloride salt of : Strontium Sodium Barium Calcium Strontium Sodium Barium Calcium ANSWER DOWNLOAD EXAMIANS APP