This e-book-DVD contains interactive quizzes for grade 10 students for Chemistry preparations. NO internet is required to take the quiz/Practice tests. Students can take quiz any number of times. The applications should be installed in computer/laptop (windows 7 and above). An icon will be created on desktop. A licence is required to play the quiz application. Send the token number and Product id at e-mail: support@learnersplanet.com, Ge the licence and start learning ! Have fun!