atom and molecule excercise questions answers ncert solutions| class 9 science chapter 3

Описание: #atomandmolecules #class9science #acteachertopeducation | class9 science chapter3 exercise questions answers

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Video content:- 1. Calculation of percentage of given substance
2. Determination of law of contents proportional
3. Definition of polyatomic ion with example
4.chemical formula of given substance
5.name of elements given substance
6.calculation of molar mass given solutions

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1. Difference between Homogeneous and hetrogeneous mixture
   • samangi aur vishmangi mishran me antar|dif...  

2.solute solvent solutions
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3. My introduction video
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4. Class 9 science excercise questions answers playlist
   • Class 9 science excercise question answer  

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