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