What is the purpose of the Bunsen burner in the laboratory?
I- To heat materials that are not flammable.
II- To create a vacuum inside a container...
What is the purpose of the Bunsen burner in the laboratory?
I- To heat materials that are not flammable. II- To create a vacuum inside a container. III- To separate immiscible mixtures of the solid-liquid type. IV- To handle gaseous, toxic, or irritating substances. a) Only I and II are correct. b) Only III and IV are correct. c) Only I, III, and IV are correct. d) Only II, III, and IV are correct. e) All statements are incorrect.
O objetivo do bico de Bunsen no laboratório é aquecer materiais que são inflamáveis. Portanto, a alternativa correta é a letra "a) Apenas I e II estão corretas".
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