Chemistry The name of plastic polymer from which combs, toys, bowls etc., can be made, is Polyurethane Metallic polysulphides Teflon Polystyrene Polyurethane Metallic polysulphides Teflon Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following laser types is used in a laser printer? Gas laser Excimer laser Dye laser Semiconductor laser Gas laser Excimer laser Dye laser Semiconductor laser ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is Oxygen All of them Hydrogen Carbon dioxide Oxygen All of them Hydrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of unreactive gas is Carbon dioxide Oxygen Hydrogen Nitrogen Carbon dioxide Oxygen Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? CaSO4, 2H2O Na2O + K2O CaO Al2O3 CaSO4, 2H2O Na2O + K2O CaO Al2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is a carbohydrate ? Turpentine Hydrogen peroxide Cane-sugar Nylon Turpentine Hydrogen peroxide Cane-sugar Nylon ANSWER DOWNLOAD EXAMIANS APP