Extramarks has got all the study material that a student might need to prepare for their exams. This study material cuts the hard work they need to put in half while increasing the fun value of learning. Extramarks has study material from class 1 to class 12. Visit their website to get access to NCERT Solutions for Class 9 Is Matter Around Us Pure. For complete K through 12 coverage in school, download the Extramarks learning app.