What is the levigation method used for? I - Separating the components of a solid + solid heterogeneous mixture of different densities. II - A curr...
What is the levigation method used for?
I - Separating the components of a solid + solid heterogeneous mixture of different densities.
II - A current liquid is passed over the heterogeneous mixture, dragging the solid of lower density and causing it to float.
III - Separating gold and sand, for example.
IV - The sand is dragged by the current and the gold remains at the bottom of the container.
a) Only I and II are correct.
b) Only II and III are correct.
c) Only III and IV are correct.
d) I, II, III and IV are correct.
I - Separating the components of a solid + solid heterogeneous mixture of different densities.
II - A current liquid is passed over the heterogeneous mixture, dragging the solid of lower density and causing it to float.
III - Separating gold and sand, for example.
IV - The sand is dragged by the current and the gold remains at the bottom of the container.
a) Only I and II are correct.
b) Only II and III are correct.
c) Only III and IV are correct.
d) I, II, III and IV are correct.
💡 1 Resposta
Ed 
O método de levigação é usado para separar os componentes de uma mistura heterogênea sólido + sólido de diferentes densidades. A alternativa correta é a letra A) Somente I e II estão corretas.
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