3 ustensile de_laborator
TRANSCRIPT
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Instrumente de laborator
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EprubeteEprubeta se utilizeaza la realizarea experimentelor chimice si la incalzirea substantelor.
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Paharul Berzelius
Paharul Berzelius se foloseseste pentru amestecarea substantelor si pentru incalzirea acestora.
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Paharul Erlenmayer
Se foloseste pentru prepararea solutilor si incalzirea acestora.
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Balon cu fund plat
Se foloseste la prepararea solutilor si incalzirea acestora.
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Balon cu fund rotund
Se foloseste la prepararea si incalzirea substantelor,se fixeaza cu ajutorul suportului universal.
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Palnia de filtrare
Se foloseste la filtrarea precipitatelor.
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Paline de separare
Se foloseste la separarea lichidelor.
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Pipeta
Se foloseste la masurarea exacta a volumului lichidelor.
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Sticla pentru reactivi
Se foloseste la depozitarea substantelor.
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Sticla de ceas
Se foloseste la depozitarea substantelor pentru un timp scurt.
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Cilindrul gradat
Se foloseste pentru masurarea volumului lichidelor.
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Refrigerentul
Se foloseste la distilare.
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Balonul Wurtz
Se foloseste la incalzirea substantelor.
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Se foloseste la cristalizarea substantelor.
Cristalizatorul
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mojar cu pistil
Se foloseste la maruntirea substantelor solide.
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Capsula
Se foloseste la incalzirea lichidelor si la cristalizare.
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Balanta
Se foloseste la cantarirea substantelor.
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Spirtiera
Se foloseste la incalzirea substantelor.
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Lingura de ars
Se foloseste la arderea cantitatilor mici de substante.