I'm 16 years old • Live near Paris • ♥ Gymnastic, Draw, Art, Photography, Music and books ; w h a t - e l s e ?
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1120 days ago
T.P chimie - echelle pH [potentiel hydrogène] #piouf!
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![T.P chimie - echelle pH [potentiel hydrogène] #piouf!](https://dn3pm25xmtlyu.cloudfront.net/photos/large/447808283.jpg?1321389511&Expires=1418299951&Signature=tSKkO1a2n2TD17g8GvncrPZgxDUL5EPojZP6~PsZtL0UmwXmFQwPfrLVozYxEA66jINSB9ckOPQAgcZ-~07LMuO8QijR1Q8P5-3Iz0eT5km4VNvDY9M-S-Gmfx0gAaceaOTyP9tajsEyOIUOQRzMDUy7Bc~4s43vSyYZS3JUJuo_&Key-Pair-Id=APKAIYVGSUJFNRFZBBTA)
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