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Sir class 12 chapter 2 ... W=Z*Q hota hai but Z ki value nikalne ke liye atomic mass ki need hoti hai to sar kya paper mai diye rahenge mass ya phir yaad krna hoga... Yaad bhi krna hoga sir to kitne elements ka yaad kre please tell sir 🙏🙏🙏🙏🙏
Sir apna vo hpboard ka model question paper nay karya
Hi sir
Hii sir
How are you?
Hi
Sir class 12 chapter 2 ... W=Z*Q hota hai but Z ki value nikalne ke liye atomic mass ki need hoti hai to sar kya paper mai diye rahenge mass ya phir yaad krna hoga... Yaad bhi krna hoga sir to kitne elements ka yaad kre please tell sir 🙏🙏🙏🙏🙏
Sir apna vo hpboard ka model question paper nay karya
Hi sir
Hii sir
How are you?
Hi