Chemistry The main constituent of biogas is Acetic acid Oxygen Methyl alcohol Methane Acetic acid Oxygen Methyl alcohol Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used for converting vegetable oils into saturated fats ? SO2 Cl2 O2 H2 SO2 Cl2 O2 H2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of oxygen in air is approximately 0.01 0.21 0.78 1 0.01 0.21 0.78 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a sublime substance? Sugar Table salt Potassium Iodide Iodine Sugar Table salt Potassium Iodide Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical formula of washing soda is NaHCO3 Na2SO4.10H2O Ca(OH)2 Na2CO3.10H2O NaHCO3 Na2SO4.10H2O Ca(OH)2 Na2CO3.10H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Carbon di-oxide Carbon monoxide Ethane Methane Carbon di-oxide Carbon monoxide Ethane Methane ANSWER DOWNLOAD EXAMIANS APP