Chemistry Zone refining is used for the purification of Ge Ag Cu Au Ge Ag Cu Au ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is used as a catalyst in the hydrogenation of oils is Pt Cu Pb Ni Pt Cu Pb Ni ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main use of salt in the diet is to make the taste of food better produce in small amounts the hydrochloric acid required for the digestion of food ease the process of cooking increase the solubility of food particles in water make the taste of food better produce in small amounts the hydrochloric acid required for the digestion of food ease the process of cooking increase the solubility of food particles in water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents used for cleaning clothes and utensils contain Sulphonates Bicarbonates Bismuthates Nitrates Sulphonates Bicarbonates Bismuthates Nitrates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Charcoal is used in water treatment as a/an Adsorbent Solvent Absorbent Coagulant Adsorbent Solvent Absorbent Coagulant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Ozone Carbon dioxide Water vapour Carbon monoxide Ozone Carbon dioxide Water vapour Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP