The book comprises previous years' (2000 to 2020) GATE questions in Chemistry covered all sections chapter-wise with detailed solutions. Each chapter begins with a detailed year-wise analysis of topics on which questions are based and is followed by explanation and concepts for that chapter. Multiple Select Questions (MSQs) as per new exam pattern available chapter-wise as an appendix for practice. The book is designed to make the students well-versed with the pattern of examination, level of questions asked and the concept distribution of questions and thus bring greater focus to their preparation. It aims to be a must-have resource for an essential step in their preparation, which is, solving and practicing previous years' papers.