Chemistry Which substance is used to retard the setting action of cement? CaO Na2O + K2O Al2O3 CaSO4, 2H2O CaO Na2O + K2O Al2O3 CaSO4, 2H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk is a colloidal system in which: Fat is dissolved Water is dispersed in fat Fat is dispersed in water Fat and water are dispersed in each other Fat is dissolved Water is dispersed in fat Fat is dispersed in water Fat and water are dispersed in each other ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in Emission spectra Absorption spectra Raman spectra Fluorescence Emission spectra Absorption spectra Raman spectra Fluorescence ANSWER DOWNLOAD EXAMIANS APP
Chemistry Saccharin is made up of Toluene Propane Phenol Butane Toluene Propane Phenol Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method that cannot be used for removing permanent hardness of water is adding caustic soda boiling adding sodium carbonate distillation adding caustic soda boiling adding sodium carbonate distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metallic constituents of hard water are : Calcium, magnesium and iron Magnesium, tin and iron Iron, tin and calcium Magnesium, calcium and tin Calcium, magnesium and iron Magnesium, tin and iron Iron, tin and calcium Magnesium, calcium and tin ANSWER DOWNLOAD EXAMIANS APP