Chemistry Ozone layer is present in Ionosphere Troposphere Exosphere Stratosphere Ionosphere Troposphere Exosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used as fire extinguisher ? Carbon monoxide Carbon dioxide Carbon suboxide Sulphur dioxide Carbon monoxide Carbon dioxide Carbon suboxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Rapid setting of cement Increasing the strength of cement Reduction in the cost of cement Preventing rapid setting of cement Rapid setting of cement Increasing the strength of cement Reduction in the cost of cement Preventing rapid setting of cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecular formula of phosphorous is P3 P2 P1 P4 P3 P2 P1 P4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of Isothermal system Open system Closed system Isobaric system Isothermal system Open system Closed system Isobaric system ANSWER DOWNLOAD EXAMIANS APP
Chemistry The BOD values of water indicate the Amount of oxygen used for biochemical reduction Amount of organic debris Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical oxidation Amount of oxygen used for biochemical reduction Amount of organic debris Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical oxidation ANSWER DOWNLOAD EXAMIANS APP