Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to SO3 NO2 SO2 N2O SO3 NO2 SO2 N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the components responsible for acid rain? Carbon dioxide (CO2) and Carbon monoxide (CO) Oxides of carbon (COx) and Oxides of nitrogen (NOx) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) Nitrogen monoxide (NO) and Carbon monoxide (CO) Carbon dioxide (CO2) and Carbon monoxide (CO) Oxides of carbon (COx) and Oxides of nitrogen (NOx) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) Nitrogen monoxide (NO) and Carbon monoxide (CO) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement containing excess amount of lime Cracks during setting Is slow setting Becomes more strong Is quick setting Cracks during setting Is slow setting Becomes more strong Is quick setting ANSWER DOWNLOAD EXAMIANS APP
Chemistry The high reactivity of fluorine is due to availability of d-orbitals its high electro negativity small size of fluorine atom strong F - F bond availability of d-orbitals its high electro negativity small size of fluorine atom strong F - F bond ANSWER DOWNLOAD EXAMIANS APP
Chemistry White phosphorus is generally kept under Glycerine Alcohol Kerosene oil Water Glycerine Alcohol Kerosene oil Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial nitric acid is coloured because it contains dissolved : Coloured impurities Nitrous oxide Oxygen Nitrogen dioxide Coloured impurities Nitrous oxide Oxygen Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
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