Chemistry App is cover all major in Mobile Application that mean easy to access in any where.Practical Center Complete Chemistry Notes for XII Science Student, In this app we cover these topics. 01 Periodic Classification 02 Hydrogen 03 s-Block Element 04 p--Block Element 05 d--Block Element 06 Introduction to organic chemistry 07 Chemistry of Hydrocarbons 08 Alkyl Halides 09 Carbon Compound with Oxygen Containing Functional Group 10 Chemistry of Life - Biochemistry 11 Chemical industries in Pakistan 12 Miscellaneous