Chemistry The chemical formula of the laughing gas is NO N2O3 NO2 N2O NO N2O3 NO2 N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitric acid does not react with Copper Zinc Gold Iron Copper Zinc Gold Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitrous oxide Nitrogen pentoxide Nitrogen dioxide Nitric oxide Nitrous oxide Nitrogen pentoxide Nitrogen dioxide Nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a characteristic feature of alloys? They are Compounds Homogeneous systems Mixtures Solutions Compounds Homogeneous systems Mixtures Solutions ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone consists of Hydrogen and Carbon Oxygen only Oxygen and Carbon Oxygen and Nitrogen Hydrogen and Carbon Oxygen only Oxygen and Carbon Oxygen and Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is a noble gas Its atomic number is 2 It is one of the constitutents of water It is lighter than air It is a noble gas Its atomic number is 2 It is one of the constitutents of water It is lighter than air ANSWER DOWNLOAD EXAMIANS APP