Chemistry Which one is the lightest element in the periodic table Oxygen Hydrogen Carbon Helium Oxygen Hydrogen Carbon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Eutrophication Hardness Alkalinity Acidity Eutrophication Hardness Alkalinity Acidity ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main use of salt in the diet is to make the taste of food better increase the solubility of food particles in water produce in small amounts the hydrochloric acid required for the digestion of food ease the process of cooking make the taste of food better increase the solubility of food particles in water produce in small amounts the hydrochloric acid required for the digestion of food ease the process of cooking ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Beryllium Ultra pure carbon Silicon Tantalum Beryllium Ultra pure carbon Silicon Tantalum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one out of the following helps in burning ? Nitrogen Oxygen Carbon dioxide Carbon monoxide Nitrogen Oxygen Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is prevented from rusting by coating with zinc. This process is called as Galvanisation Corrosion Sublimation Reduction Galvanisation Corrosion Sublimation Reduction ANSWER DOWNLOAD EXAMIANS APP