Class 9 Science chapter 2 syllabus is based on different types of matter. It covers the definition and examples of a mixture, solution, suspension, colloids, etc. The features of these substances are explained and compared in detail in this chapter. Details explanation of this chapter already uploaded as a video format available on YouTube you …
Class 9 science chapter 1 is the the foundational topics of Science, not only as a subject in board examination but also as an academic discipline to be pursued in higher studies, are introduced in class 9. It is on these basic concepts that advanced topics will be based on. Details explanation of this chapter …
DALTON’S ATOMIC THEORY John Dalton, a British Chemists and scientists gave the Atomic Theory in 1808. This theory is popularly known as Dalton’s Atomic Theory in the honour of John Dalton. He gave the theory on the basis of Laws of Chemical Combination and explains them properly. In his theory he explains about atom. postulates …
Matter is any thing which has mass and occupies space. All solids, liquids and gases around us are made of matter. Scientist believe that matter is made of tiny particles that clump together. You cannot see these particles but you can see the matter, for example, a book, a car, a letter, a hand set, …