Question

Circle the odd ones . Give reason for your choice.
Carbon dioxide
Alcohol
Lactic acid
Sulphuric acid

Answer 1

Carbon dioxide is odd one because it is only gas here all remaining are stable in liquid form

Answer 2

In A} Ethyl alcohol is odd because lactic acid is produced in our body during anaerobic respiration,the chemical breakdown of substance by bacteria,yeast etc is fermentation,glucose is product of photosynthesis