To respond or behave in a particular way in response to something

To undergo a chemical change as a result of interaction with another substance

किसी अन्य पदार्थ के साथ मिलकर रासायनिक परिवर्तन होना

English Usage: The chemicals will react when mixed together.

Hindi Usage: रसायन एक साथ मिलाने पर प्रतिक्रिया करेंगे।