Chemistry The green colour seen in firework displays is due to the chloride salt of : Sodium Barium Calcium Strontium Sodium Barium Calcium Strontium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum stops bleeding in minor cuts because of Dialysis Coagulation Emulsion Solvation Dialysis Coagulation Emulsion Solvation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Vulcanization Galvanization Zinc plating Alloy formation Vulcanization Galvanization Zinc plating Alloy formation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Acidity Eutrophication Hardness Alkalinity Acidity Eutrophication Hardness Alkalinity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following iron ores, the highest percentage of iron content is found in– Limnonite Magnetite None of these Haemetite Limnonite Magnetite None of these Haemetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The “King of Metals” is : Iron Gold Aluminium Silver Iron Gold Aluminium Silver ANSWER DOWNLOAD EXAMIANS APP