Chemistry is about reaction. Smart school children performing chemistry test in lab. Small schoolgirls learning chemistry during school time. Little pupils holding test tubes in chemistry laboratory.

- Image ID: W3JERY

Chemistry is about reaction. Smart school children performing chemistry test in lab. Small schoolgirls learning chemistry during school time. Little pupils holding test tubes in chemistry laboratory.

Roman Stetsyk / Alamy Stock Photo

Image ID: W3JERY