Chemistry The gas that usually causes explosions in coal mines is Carbon monoxide Hydrogen Methane Air Carbon monoxide Hydrogen Methane Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two moles of an ideal gas expand freely into vacuum. The work done by the gas is 2J 4J Infinity 2J 4J Infinity ANSWER DOWNLOAD EXAMIANS APP
Chemistry By which organic compound all the oils are known ? Ester Protein Hydrocarbon Carbohydrate Ester Protein Hydrocarbon Carbohydrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fiber least prone to catch fire is Terylene Nylon Polyester Cotton Terylene Nylon Polyester Cotton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following will replace hydrogen from acids to form salts ? S Ag Na P S Ag Na P ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of biogas is Oxygen Acetic acid Methane Methyl alcohol Oxygen Acetic acid Methane Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP