Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to SO3 SO2 NO2 N2O SO3 SO2 NO2 N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sweat contains water and ________ Lactic acid Vinegar Citric acid Salt Lactic acid Vinegar Citric acid Salt ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas contains mainly : Methane Acetylene Propylene Ethylene Methane Acetylene Propylene Ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is ozone depleting pesticide ? Benzene Ethylene ozonide D.T. Methyl bromide Benzene Ethylene ozonide D.T. Methyl bromide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The property of hydrogen which distinguishes it from alkali metals is Its non-metallic character Its affinity for non-metal Its electropositive character Its reducing character Its non-metallic character Its affinity for non-metal Its electropositive character Its reducing character ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Eutrophication Acidity Alkalinity Hardness Eutrophication Acidity Alkalinity Hardness ANSWER DOWNLOAD EXAMIANS APP