Chemistry Besides CO2, the other green house gas is CH4 Ar Ar O2 N2 N2 CH4 Ar Ar O2 N2 N2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Physico-chemical characteristics of water in water sources undergo changes due to Auatic fungi Evapotranspiration Aquatic macrophytes Effluents Auatic fungi Evapotranspiration Aquatic macrophytes Effluents ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Sodium, Magnesium Sodium, Calcium Sodium, Potassium Calcium, Magnesium Sodium, Magnesium Sodium, Calcium Sodium, Potassium Calcium, Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide level in the atmosphere can be reduced by using Low - sulphur fuels Static electricity to attract it in factory chimneys More efficient car engines Catalytic converters in industry Low - sulphur fuels Static electricity to attract it in factory chimneys More efficient car engines Catalytic converters in industry ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Electrons Protons Neutrons and protons Neutrons Electrons Protons Neutrons and protons Neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry An inert gas mixed with oxygen given to patients suffering from restricted breathing is Helium Krypton Argon Radon Helium Krypton Argon Radon ANSWER DOWNLOAD EXAMIANS APP