Chemistry Ozone consists of Hydrogen and Carbon Oxygen and Nitrogen Oxygen only Oxygen and Carbon Hydrogen and Carbon Oxygen and Nitrogen Oxygen only Oxygen and Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a Heterogeneous mixture Compound Element Homogeneous mixture Heterogeneous mixture Compound Element Homogeneous mixture ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : Difference in layers of atoms Difference of crystalline structures Tetrahedral structure of diamond None of these Difference in layers of atoms Difference of crystalline structures Tetrahedral structure of diamond None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most reactive halogen Fluorine Iodine Chlorine Bromine Fluorine Iodine Chlorine Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Piped Natural Gas (PNG) is used for Mining Anaesthesia Cooking Welding Mining Anaesthesia Cooking Welding 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
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