Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.2 mole 0.25 mole 0.5 mole 0.4 mole 0.2 mole 0.25 mole 0.5 mole 0.4 mole ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical formula of washing soda is NaHCO3 Ca(OH)2 Na2CO3.10H2O Na2SO4.10H2O NaHCO3 Ca(OH)2 Na2CO3.10H2O Na2SO4.10H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is an example of noble gas ? Hydrogen Chlorine Helium Nitrogen Hydrogen Chlorine Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The constituents of automobile exhaust that can cause cancer is/are : Polycyclic hydrocarbons Oxides of nitrogen Lead Carbon monoxide Polycyclic hydrocarbons Oxides of nitrogen Lead Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sullage water is – Waste water released from kitchen Waste water released from factories Waste water released from toilets Waste water released from hospitals Waste water released from kitchen Waste water released from factories Waste water released from toilets Waste water released from hospitals ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecular formula of phosphorous is P3 P2 P4 P1 P3 P2 P4 P1 ANSWER DOWNLOAD EXAMIANS APP
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