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