Chemistry The chemical formula of the laughing gas is NO2 N2O3 NO N2O NO2 N2O3 NO N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name for the compound having formal NaOH is Caustic potash Soda ash Caustic soda Sodium hydroxide Caustic potash Soda ash Caustic soda Sodium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s wool is chemically Calcium oxide Magnesium oxide Aluminium oxide Zinc oxide Calcium oxide Magnesium oxide Aluminium oxide Zinc oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number is the number equal to Neutrons Protons Electrons None of these Neutrons Protons Electrons None of these ANSWER DOWNLOAD EXAMIANS APP