Chemistry Spontaneous change is one in there is: A lowering of entropy An increase in Internal energy Increase in free energy A lowering of free energy A lowering of entropy An increase in Internal energy Increase in free energy A lowering of free energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Biofertilizers convert nitrogen to ________ . Ammonia Amino acids Nitrates Nitrogenase Ammonia Amino acids Nitrates Nitrogenase ANSWER DOWNLOAD EXAMIANS APP
Chemistry The apparatus used to test acidity of aqueous solution is PH meter Ammeter Acidmeter Hygrometer PH meter Ammeter Acidmeter Hygrometer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to make light weight, but strong plastic ? Polythene Methyl Methacrylate Polyvinyl Chloride Nylon Polythene Methyl Methacrylate Polyvinyl Chloride Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Natural rubber is the polymer of : Styrene Isoprene Ethylene Butadiene Styrene Isoprene Ethylene Butadiene ANSWER DOWNLOAD EXAMIANS APP
Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to N2O SO3 NO2 SO2 N2O SO3 NO2 SO2 ANSWER DOWNLOAD EXAMIANS APP
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