Welcome! Here, we present Set 02 of multiple choice questions test on Atoms and Molecules. Atoms and Molecules is a chapter of CBSE class 9 Science textbook. This is a multiple choice questions test with marks and answers. Solve ten important MCQ questions of Atoms and Molecules to score full marks in CBSE Class 9 school exams. These are free online MCQ tests. Our tests are designed and thoroughly checked by experts and are completely error-free. Quizcrazy.in and team is proud to present Atoms and Molecules MCQ test to you.