Chemistry Supersonic jet causes pollution by thinning of O 2 layer CO2 layer O3 layer SO2 layer O 2 layer CO2 layer O3 layer SO2 layer ANSWER DOWNLOAD EXAMIANS APP
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 Peroxyacetyl nitrate is a Secondary pollutant Vitamin Acidic dye Plant hormone Secondary pollutant Vitamin Acidic dye Plant hormone ANSWER DOWNLOAD EXAMIANS APP
Chemistry The absolute temperature of a gas is doubled and the pressure is reduced to half, the volume of the gas Will increase four-fold Will be doubled Remains unchanged Will be reduced to half Will increase four-fold Will be doubled Remains unchanged Will be reduced to half ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bee sting contains An acidic liquid A salt solution A corrosive liquid An alkaline liquid An acidic liquid A salt solution A corrosive liquid An alkaline liquid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is Lighter than hydrogen More stable Non-combustible More abundant than hydrogen Lighter than hydrogen More stable Non-combustible More abundant than hydrogen ANSWER DOWNLOAD EXAMIANS APP
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