Chemistry Silver halides are used in photographic plates because they are Soluble in hyposolution Reduced by light Oxidised in air Totally colourless Soluble in hyposolution Reduced by light Oxidised in air Totally colourless ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zone refining is used for the purification of Cu Ag Au Ge Cu Ag Au Ge ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen is an essential constituent of all : Proteins Fats Carbohydrates Vitamins Proteins Fats Carbohydrates Vitamins ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 1.568 x 103 4.84 x 1017 6.023 x 1019 6.023 x 1023 1.568 x 103 4.84 x 1017 6.023 x 1019 6.023 x 1023 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? CaSO4, 2H2O Al2O3 Na2O + K2O CaO CaSO4, 2H2O Al2O3 Na2O + K2O CaO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitrogen dioxide Nitrogen pentoxide Nitrous oxide Nitric oxide Nitrogen dioxide Nitrogen pentoxide Nitrous oxide Nitric oxide ANSWER DOWNLOAD EXAMIANS APP