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 Chemistry Atomic number and atomic mass/mass number #btcbrothertuitioncenter #islamianhometuitionnetwork Chemistry Atomic number and atomic mass/mass number #btcbrothertuitioncenter #islamianhometuitionnetwork

   Lecture#1 chapter#2 Subject physics @kinematics for class 9th #btcbrotherstuitioncenter #islamianhometuitionnetwork Lecture#1 chapter#2 Subject physics @kinematics #btcbrotherstuitioncenter #islamianhometuitionnetwork

 Lec#1 Prefixes and example

 Difference between compound and mixture

difference between additive identity and additive inverse|multiplicative identity and multiplicative inverse  https://youtu.be/eHEph1FIC0k PDF file of lec#4 difference between additive identity and additive inverse|multiplicative identity and inverse