Chemistry Among the following, carbonate ore of Zinc is Zincite Zincblende Calamine Sphalerite Zincite Zincblende Calamine Sphalerite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water can be purified by the process of Fractional distillation Distillation Evaporation Filtration Fractional distillation Distillation Evaporation Filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Preventing rapid setting of cement Reduction in the cost of cement Increasing the strength of cement Rapid setting of cement Preventing rapid setting of cement Reduction in the cost of cement Increasing the strength of cement Rapid setting of cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most reactive among the halogens is Chlorine Iodine Bromine Fluorine Chlorine Iodine Bromine Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitrous oxide Nitric oxide Nitrogen dioxide Nitrogen pentoxide Nitrous oxide Nitric oxide Nitrogen dioxide Nitrogen pentoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest first ionisation energy is Lithium Sodium Hydrogen Helium Lithium Sodium Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP