Chemistry An important green-house gas other than methane being produced from the agricultural fields is Arsine Ammonia Nitrous oxide Sulphur dioxide Arsine Ammonia Nitrous oxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The constituents of automobile exhaust that can cause cancer is/are : Oxides of nitrogen Polycyclic hydrocarbons Carbon monoxide Lead Oxides of nitrogen Polycyclic hydrocarbons Carbon monoxide Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The biogas used for cooking is a mixture of which of the following? Isobutane and propane Carbon dioxide and oxygen Methane and carbon monoxide Methane and carbon dioxide Isobutane and propane Carbon dioxide and oxygen Methane and carbon monoxide Methane and carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Refining Roasting Smelting Calcination Refining Roasting Smelting Calcination ANSWER DOWNLOAD EXAMIANS APP
Chemistry Adding Cl2 to benzene in the presence of AlCl3 is an example of : Elimination reaction Substitution reaction Addition reaction None of the options Elimination reaction Substitution reaction Addition reaction None of the options ANSWER DOWNLOAD EXAMIANS APP
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