Chemistry Bayer's reagent is Bromine water Hydrogen peroxide Acidified potassium permanganate Alkaline potassium permanganate Bromine water Hydrogen peroxide Acidified potassium permanganate Alkaline potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bone ash contains Calcium sulphate Calcium phosphate Calcium hypophosphate Phosphoric sulphate Calcium sulphate Calcium phosphate Calcium hypophosphate Phosphoric sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is made hard with Dissociation of water Dehydration Polymerisation Hydration and dissociation of water Dissociation of water Dehydration Polymerisation Hydration and dissociation of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Plaster of Paris' is made by partial dehydration of Epsom salt Blue vitriol Green vitriol Gypsum salt Epsom salt Blue vitriol Green vitriol Gypsum salt ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? CaO Al2O3 Na2O + K2O CaSO4, 2H2O CaO Al2O3 Na2O + K2O CaSO4, 2H2O ANSWER DOWNLOAD EXAMIANS APP