Chemistry CNG used in automobiles to check pollution, mainly consists of CH4 CO2 H2 N2 CH4 CO2 H2 N2 ANSWER DOWNLOAD EXAMIANS APP
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 Total number of halogen elements found in the periodic table is 8 13 5 3 8 13 5 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is not a green house gas ? Chlorofluorocarbons CO2 N2O CH4 Chlorofluorocarbons CO2 N2O CH4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric bulbs are filled with : Argon Nitrogen Carbon dioxide Oxygen Argon Nitrogen Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
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