Chemistry What material is used to make electric heater coil ? Iron Nichrome Silver Copper Iron Nichrome Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal extracted from Bauxite is : Aluminum Manganese Silver Copper Aluminum Manganese Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Marsh gas Carbon Monoxide Hydrogen Carbon Dioxide Marsh gas Carbon Monoxide Hydrogen Carbon Dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? Al2O3 Na2O + K2O CaSO4, 2H2O CaO Al2O3 Na2O + K2O CaSO4, 2H2O CaO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The minimum energy required for an effective collision is Internal energy Threshold energy Activation energy Free energy Internal energy Threshold energy Activation energy Free energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main chemical constituent of clay is aluminium borosilicate aluminium silicate silicon oxide zeolites aluminium borosilicate aluminium silicate silicon oxide zeolites ANSWER DOWNLOAD EXAMIANS APP