HOLIDAY HOMEWORK CLASS- 9-A

class 9 holiday homework science summer break 2019-20 Q1 WRITE ABOUT TEN EXAMPLES OF CHEMICAL REACTIONS WHICH HAPPEN NATURALLY. Q2 MAKE 20 MULTIPLE CHOICE QUESTIONS EACH FROM CHAPTER 1,5,8,2,6,9,13,10 AND 3 FROM NCERT TEXTBOOK IN YOUR HOME WORK NOTEBOOK . ................
................