Question

Pick the odd one out :
i) Inorganic acids : $HCl,HN{O}_3,H_{2}S{O}_4,HCOOH$
ii) Basic Nature : Blood, Baking Soda, Vinegar, Household ammonia

Answer 1

i) $HCOOH$ is an odd man out. This is because it is organic acid. It is known as Formic acid.

ii) VInegar is odd man out. This is because it is acidic in nature. VInegar contains acetic acid. Thus, it is acidic in nature.