A chemical process in which reactants convert to products.

A response or reply to a specific situation or input.

किसी विशेष स्थिति या इनपुट पर प्रतिक्रिया या उत्तर।

English Usage: His c reaction to the news was unexpected and emotional.

Hindi Usage: समाचार पर उसकी c प्रतिक्रिया अप्रत्याशित और भावनात्मक थी।