With the reference to four gases CO2,CO, Cl2 and O2, which one of the options in the table is correct? Class 10th Science, Question - With the reference to four gases CO2,CO, Cl2 and O2, which one of the options in the table is correct? By Rohit Sharma - February 13, 2023 Question: With the reference to four gases CO2,CO, Cl2 and O2, which one of the options in the table is correct? The correct answer is : (b) CO2, Cl2, CO2, CO