Branches of Chemistry:

1. Inorganic chemistry
2. Organic chemistry
3. Physical chemistry  and
4. Theoretical chemistry.

Apart from these major classifications, there are other popular subdivisions too. Some of those, including modern and interdisciplinary branches, are entitled as

• Analytical chemistry
• Applied chemistry: oils and fats
• Astrochemistry
• Atmospheric chemistry
• Biochemistry
• Click chemistry
• Computational chemistry
• Electro chemistry
• Environmental chemistry
• Femto chemistry
• Food chemistry
• Geochemistry
• Green chemistry
• Hydrochemistry
• Material chemistry
• Magneto chemistry
• Medicinal chemistry
• Nanochemistry
• Natural product chemistry
• Nuclear chemistry 
• Organometallic chemistry
• Petrochemistry
• Pharmaceutical chemistry
• Photochemistry
• Polymer chemistry
• Solid state chemistry
• Synthetic chemistry
• Supra molecular chemistry
• Surface chemistry
• Thermo chemistry   and so on.