The act of giving something and receiving something of the same kind in return.

आदान-प्रदान

English Usage: The exchange of ideas is crucial for progress.

Hindi Usage: विचारों का आदान-प्रदान प्रगति के लिए आवश्यक है।

To give something and receive something in return.

बदलना

English Usage: She decided to exchange her old books for new ones.

Hindi Usage: उसने अपनी पुरानी किताबों को नई के लिए बदलने का फैसला किया।