Chemistry The metallic constituents of hard water are : Calcium, magnesium and iron Magnesium, tin and iron Iron, tin and calcium Magnesium, calcium and tin Calcium, magnesium and iron Magnesium, tin and iron Iron, tin and calcium Magnesium, calcium and tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following alkali metals has highest specific heat? Potassium Caesium Lithium Rubidium Potassium Caesium Lithium Rubidium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is found in all organic compounds Calcium Oxygen Nitrogen Carbon Calcium Oxygen Nitrogen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element by number in the living system is : Carbon Nitrogen Hydrogen Oxygen Carbon Nitrogen Hydrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Epsom salt is used In making tooth paste In softening water As purgative In paper industry In making tooth paste In softening water As purgative In paper industry ANSWER DOWNLOAD EXAMIANS APP
Chemistry Peroxyacetyl nitrate is a Secondary pollutant Vitamin Plant hormone Acidic dye Secondary pollutant Vitamin Plant hormone Acidic dye ANSWER DOWNLOAD EXAMIANS APP