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?

Question: With the reference to four gases CO2,CO, Cl2 and O2, which one of the options in the table is correct?

Science-Q4

The correct answer is : (b) CO2, Cl2, CO2, CO