koye he yahan male/fmale jo mujhe chemistry ka basic bateye???
ager koyii he to contect me on pm please
koye he yahan male/fmale jo mujhe chemistry ka basic bateye???
ager koyii he to contect me on pm please
ap ko kis qism ki help chaheay?
physics and chemistry ka basic parhna he mujhe aur mera kuch dost ko hum almost 8 10 h..!!
koyii parhaiiga ??
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