Chemistry Philosopher’s wool is chemically Calcium oxide Zinc oxide Magnesium oxide Aluminium oxide Calcium oxide Zinc oxide Magnesium oxide Aluminium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main pollutants released from iron and steel industry are NO, SO3 and H2S CO2, H2S and NO2 CO2, NO2 and SO3 CO, CO2 and SO2 NO, SO3 and H2S CO2, H2S and NO2 CO2, NO2 and SO3 CO, CO2 and SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Food cans are coated with tin and not with zinc because Zinc has a higher melting point than tin Zinc is costlier than tin Zinc is less reactive than tin Zinc is more reactive than tin Zinc has a higher melting point than tin Zinc is costlier than tin Zinc is less reactive than tin Zinc is more reactive than tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a commercial source of energy? Sun Dried dung Agricultural waste Natural gas Sun Dried dung Agricultural waste Natural gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas contains mainly : Acetylene Ethylene Propylene Methane Acetylene Ethylene Propylene Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is Carbanion Carbene Carbocation Free radical Carbanion Carbene Carbocation Free radical ANSWER DOWNLOAD EXAMIANS APP
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