Chemistry In which of the following states maximum iron ore is found ? FeCO3 Fe3O4 FeS2 Fe2O3 FeCO3 Fe3O4 FeS2 Fe2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The water pollution in river is measured by the dissolved amount of Nitrogen Chlorine Oxygen Ozone Nitrogen Chlorine Oxygen Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used for making aircrafts and rockets is Aluminium Nickel Lead Copper Aluminium Nickel Lead Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is not a green house gas ? N2O CO2 CH4 Chlorofluorocarbons N2O CO2 CH4 Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? CaSO4, 2H2O CaO Na2O + K2O Al2O3 CaSO4, 2H2O CaO Na2O + K2O Al2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is used in Space Crafts to withstand high temperatures ? Fe Ni Ti Pb Fe Ni Ti Pb ANSWER DOWNLOAD EXAMIANS APP
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