Chemistry

Chemistry is 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.

This section contains past papers of CSS Exams.
Chemistry Paper-1 CSS Past Paper 2017
Chemistry Paper-2 CSS Past Paper 2017

Chemistry Paper-1 CSS Past Paper 2018
Chemistry Paper-2 CSS Past Paper 2018

Chemistry Paper-1 CSS Past Paper 2019
Chemistry Paper-2 CSS Past Paper 2019

Chemistry Paper-1 CSS Past Paper 2020
Chemistry Paper-2 CSS Past Paper 2020