Chemistry In organic compounds, nitrogen is estimated by Liebig's method Victor-Meyer's method Carius method Dumas method Liebig's method Victor-Meyer's method Carius method Dumas method ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from An insect A bacterium A fungus A seed plant An insect A bacterium A fungus A seed plant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Adding Cl2 to benzene in the presence of AlCl3 is an example of : Elimination reaction Addition reaction Substitution reaction None of the options Elimination reaction Addition reaction Substitution reaction None of the options ANSWER DOWNLOAD EXAMIANS APP
Chemistry An important green-house gas other than methane being produced from the agricultural fields is Sulphur dioxide Ammonia Nitrous oxide Arsine Sulphur dioxide Ammonia Nitrous oxide Arsine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium is produced by the electrolysis of Its cyanide complex Molten sodium carbonate Molten sodium chloride Aqueous brine solution Its cyanide complex Molten sodium carbonate Molten sodium chloride Aqueous brine solution ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Nickel and cadmium Lead peroxide and lead Iron and cadmium Zinc and carbon Nickel and cadmium Lead peroxide and lead Iron and cadmium Zinc and carbon ANSWER DOWNLOAD EXAMIANS APP