Chemistry The most abundant metal in the Earth’s crust is Zinc Iron Copper Aluminium Zinc Iron Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Kinetics is the study of: The mechanisms and paths of the molecules take in joining from one reactant to products How fast the reactions go The rate of chemical reaction All of these are correct The mechanisms and paths of the molecules take in joining from one reactant to products How fast the reactions go The rate of chemical reaction All of these are correct ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalyst is a substance which None of these Decreases the rate of reaction Has no action on the rate of the reaction Increases the rate of the reaction None of these Decreases the rate of reaction Has no action on the rate of the reaction Increases the rate of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Removal of carbon particles from air involves the principle of Electrophoresis Precipitation Sedimentation Filteration Electrophoresis Precipitation Sedimentation Filteration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon monoxide is an inflammable gas. Which one of the following is also inflammable? Nitrogen Hydrogen Helium Oxygen Nitrogen Hydrogen Helium Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following compounds of calcium, the one having highest covalent character is CaF2 Cal2 Cacl2 CaBr2 CaF2 Cal2 Cacl2 CaBr2 ANSWER DOWNLOAD EXAMIANS APP