Chemistry Permanent – hardness of water may be removed by addition of Lime Sodium carbonate Potassium Permangante Alum Lime Sodium carbonate Potassium Permangante Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The smog is essentially caused by the presence of O3 and N2 O2 and O3 O2 and N2 Oxides of N and S O3 and N2 O2 and O3 O2 and N2 Oxides of N and S ANSWER DOWNLOAD EXAMIANS APP
Chemistry A mixture of water and alcohol can be separated by Distillation Filtration Evaporation Decantation Distillation Filtration Evaporation Decantation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main use of salt in the diet is to produce in small amounts the hydrochloric acid required for the digestion of food make the taste of food better ease the process of cooking increase the solubility of food particles in water produce in small amounts the hydrochloric acid required for the digestion of food make the taste of food better ease the process of cooking increase the solubility of food particles in water ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a chemical bond is formed ? Energy is neither released nor absorbed Energy in always released Energy is always absorbed More energy is released than is absorbed Energy is neither released nor absorbed Energy in always released Energy is always absorbed More energy is released than is absorbed ANSWER DOWNLOAD EXAMIANS APP
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