Chemistry Which of the following is very reactive and kept in kerosene? Bromine Potassium Iodine Sodium Bromine Potassium Iodine Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? Na2O + K2O CaO CaSO4, 2H2O Al2O3 Na2O + K2O CaO CaSO4, 2H2O Al2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following could be used as fuel in propellant or rockets ? Liquid Hydrogen + Liquid Nitrogen Liquid Nitrogen + Liquid Oxygen Liquid Oxygen + Liquid Argon Liquid Hydrogen + Liquid Oxygen Liquid Hydrogen + Liquid Nitrogen Liquid Nitrogen + Liquid Oxygen Liquid Oxygen + Liquid Argon Liquid Hydrogen + Liquid Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name of sodium bicarbonate is Soda lime Baking powder Soda ash Baking soda Soda lime Baking powder Soda ash Baking soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coating of a thin layer of zinc on steel or iron objects is known as Tinning Hot dipping Electroplating Galvanising Tinning Hot dipping Electroplating Galvanising ANSWER DOWNLOAD EXAMIANS APP
Chemistry The trans-uranium elements are the chemical elements with atomic numbers greater than 96 86 89 92 96 86 89 92 ANSWER DOWNLOAD EXAMIANS APP
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