कैल्शियम कार्बाइड पर जल की प्रतिक्रिया द्वारा कौन सी गैस उत्पन्न होती है?

Select the option that does NOT belong to the same category as the others based on chemical nature or elemental status (e.g., noble gas vs greenhouse/triatomic gases): Ozone, Carbon dioxide, Helium, Oxygen

The mass percentage composition of three gases in a gas mixture is approximately CO2: 60%, SO2: 30%, NO2: 10%. If the total pressure in the container is 3.00 atm, what is the partial pressure of SO2 in the mixture? (Molar masses: CO2 = 44 g/mol, SO2 = 64 g/mol, NO2 = 46 g/mol)