What is chemistry an how do I learn

Answer: Chemistry is a subject. You can learn it at a local school.

Explanation: Chemistry is a school subject or, the scientific discipline involved with elements and compounds composed of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during a reaction with other substances.

The branch of science that deals with the identification of the substances of which matter is composed

you can learn by reading about it or google it