af Baksh Fareeze 5 år siden
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Mere som dette
af Narang Ekam
af Alina Vinogradova
af Nicoletta Carfagna
af Alex Tael
Don;t throw things in the lab
don;t hold hat liquids in your bare hands
test tube
test tube rack
properties of matter
colour
viscoslty
malleability
are physical
periodic
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