Chemistry Which of the following has pH value 7? HCl H2SO4 Sodium Carbonate Pure Water HCl H2SO4 Sodium Carbonate Pure Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to NO2 N2O SO2 SO3 NO2 N2O SO2 SO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water in nature is Rain water Lake water Sea water River water Rain water Lake water Sea water River water ANSWER DOWNLOAD EXAMIANS APP
Chemistry When there are two electrons in the same orbital, they have: Same or opposite spin Opposite spin Same spin No spin Same or opposite spin Opposite spin Same spin No spin ANSWER DOWNLOAD EXAMIANS APP
Chemistry "Paramagnetism" is the property of Completely vacant electronic subshells Completely filled electronics subshells Unpaired electrons Paired electrons Completely vacant electronic subshells Completely filled electronics subshells Unpaired electrons Paired electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is extracted from sea water? Potassium Magnesium Beryllium Aluminium Potassium Magnesium Beryllium Aluminium ANSWER DOWNLOAD EXAMIANS APP
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