Question

what is a defination of chemistry?​

Answer 1

Answer:

the scientific study of the structure of substances and what happens to them in different conditions or when mixed with each other

पदार्थों की संरचना तथा विभिन्न परिस्थितियों अथवा एक-दूसरे के साथ मिलाने पर उनमें होनेवाले परिवर्तनों का वैज्ञानिक अध्ययन; रसायनशास्‍त्र

2.

the structure of a particular substance

पदार्थ-विशेष की संरचना या बनावट

Answer 2

Question:-

What is the definition of chemistry?

Answer:-

The study of chemicals, ions, atoms, molecules, etc is called chemistry.