Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful Solar infrared radiation Solar ultraviolet radiation SO2 in the air CO2 in the air Solar infrared radiation Solar ultraviolet radiation SO2 in the air CO2 in the air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard water and soft water can be distinguished by using Ordinary soap Liquid soap Detergent Dilute acid Ordinary soap Liquid soap Detergent Dilute acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanised iron is made by coating iron with Chromium Nickel Zinc Sulphur Chromium Nickel Zinc Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main use of salt in the diet is to ease the process of cooking produce in small amounts the hydrochloric acid required for the digestion of food make the taste of food better increase the solubility of food particles in water ease the process of cooking produce in small amounts the hydrochloric acid required for the digestion of food make the taste of food better increase the solubility of food particles in water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Hydrogen Carbon monoxide Air Methane Hydrogen Carbon monoxide Air Methane ANSWER DOWNLOAD EXAMIANS APP