please give me important topics and derivation of phy sics and chemistry

physics and chemistry these are the subject I have not completed the syllabus and I am an average student . How can I achieve good marrks in it. Give some tips and tricks.plzzzz

  • Geeta
  • 10 दिसम्बर
  • 1 उत्तर

1 उत्तर
1-1 of  1
1 Answer
class 12
मॉक परीक्षण अभ्यास के लिए
class 12