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Smoală

Un experiment ce reprezintă curgerea smoalei

Smoala este o substanță neagră, vâscoasă și casantă ce rămâne ca rest de la distilarea păcurii sau a gudronului de cărbuni. Smoala se utilizează la pavaje și în industria chimică. [1]

Proprietăți

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Încă din 1927, Thomas Parnell a încercat să demonstreze că smoala este lichidă. Acesta aproape a reușit, deoarece a putut scurge două picături de smoală până a murit în 1948 [2]

Referințe

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  1. ^ ro [1] Definiția din dex.ro, accesat la data de 4 aprilie 2012
  2. ^ ro [2] Experimentului lui Thomas Parnell; accesat la data de 4 aprilie 2012
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Smoală
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