Chemistry Which substance is used to retard the setting action of cement? CaO Al2O3 CaSO4, 2H2O Na2O + K2O CaO Al2O3 CaSO4, 2H2O Na2O + K2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Smelting Leaching Slugging Zone melting Smelting Leaching Slugging Zone melting ANSWER DOWNLOAD EXAMIANS APP
Chemistry What material is used to make electric heater coil ? Iron Nichrome Silver Copper Iron Nichrome Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is ethane carbon dioxide ethylene acetylene ethane carbon dioxide ethylene acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used for refrigeration? Chlorine Phosphine Sulphur dioxide Freon Chlorine Phosphine Sulphur dioxide Freon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanization is the : Deposition of aluminium on iron Deposition of zinc on iron Deposition of copper on iron Deposition of tin on iron Deposition of aluminium on iron Deposition of zinc on iron Deposition of copper on iron Deposition of tin on iron ANSWER DOWNLOAD EXAMIANS APP
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